Merge remote-tracking branch 'twbs/v4-dev' into v4-dev

27cf3d67 · Pierre-Denis Vanduynslager · f0c0a753 · 8e4f3fe7 · 27cf3d67 · 27cf3d67
Commit 27cf3d67 authored 8 years ago by Pierre-Denis Vanduynslager
Expand all Hide whitespace changes
Inline Side-by-side

Showing

with 230 additions and 891 deletions
+230 -891
--- a/.gitignore
+++ b/.gitignore
@@ -38,10 +38,6 @@ Thumbs.db
 .komodotools
 *.komodoproject

-# grunt-html-validation
-validation-report.json
-validation-status.json
-
 # SCSS-Lint
 scss-lint-report.xml


--- a/.hound.yml
+++ b/.hound.yml
@@ -10,7 +10,7 @@ javascript:

 eslint:
  enabled: true
-  config_file: js/.eslintrc
+  config_file: js/.eslintrc.json

 jscs:
  enabled: true

--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ git:
  depth: 10
 node_js:
  - "4"
-  - "5"
+  - "6"
 before_install:
  # Remove ./node_modules/.bin from PATH so node-which doesn't replace Unix which and cause RVM to barf. See https://github.com/travis-ci/travis-ci/issues/5092
  - export PATH=$(python -c 'from sys import argv;from collections import OrderedDict as od;print(":".join(od((p,None) for p in argv[1].split(":") if p.startswith("/")).keys()))' "$PATH")
@@ -19,12 +19,12 @@ before_install:
 install:
  - bundle install --deployment --jobs=3
  - cp grunt/npm-shrinkwrap.json ./
-  - npm install -g grunt-cli
  - npm install
 cache:
  directories:
    - node_modules
    - vendor/bundle
+    - "$HOME/google-cloud-sdk"
 env:
  global:
    - NPM_CONFIG_PROGRESS="false"

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -233,7 +233,7 @@ includes code changes) and under the terms of the
 [Adhere to the Code Guide.](http://codeguide.co/#css)

 - When feasible, default color palettes should comply with [WCAG color contrast guidelines](http://www.w3.org/TR/WCAG20/#visual-audio-contrast).
- Except in rare cases, don't remove default `:focus` styles (via e.g. `outline: none;`) without providing alternative styles. See [this A11Y Project post](http://a11yproject.com/posts/never-remove-css-outlines/) for more details.
+- Except in rare cases, don't remove default `:focus` styles (via e.g. `outline: none;`) without providing alternative styles. See [this A11Y Project post](http://a11yproject.com/posts/never-remove-css-outlines) for more details.

 ### JS


--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'

 group :development, :test do
  gem 'jekyll', '~> 3.1.2'
-  gem 'jekyll-redirect-from', '~> 0.10.0'
-  gem 'jekyll-sitemap', '~> 0.10.0'
-  gem 'scss_lint', '~> 0.47.1'
+  gem 'jekyll-redirect-from', '~> 0.11.0'
+  gem 'jekyll-sitemap', '~> 0.11.0'
+  gem 'scss_lint', '~> 0.49.0'
 end
--- a/Gemfile.lock
+++ b/Gemfile.lock
 GEM
  remote: https://rubygems.org/
  specs:
+    addressable (2.4.0)
    colorator (0.1)
-    ffi (1.9.10)
-    ffi (1.9.10-x64-mingw32)
-    jekyll (3.1.2)
+    ffi (1.9.13)
+    ffi (1.9.13-x64-mingw32)
+    jekyll (3.1.6)
      colorator (~> 0.1)
      jekyll-sass-converter (~> 1.0)
      jekyll-watch (~> 1.1)
@@ -13,29 +14,30 @@ GEM
      mercenary (~> 0.3.3)
      rouge (~> 1.7)
      safe_yaml (~> 1.0)
-    jekyll-redirect-from (0.10.0)
+    jekyll-redirect-from (0.11.0)
      jekyll (>= 2.0)
    jekyll-sass-converter (1.4.0)
      sass (~> 3.4)
-    jekyll-sitemap (0.10.0)
-    jekyll-watch (1.3.1)
-      listen (~> 3.0)
-    kramdown (1.10.0)
+    jekyll-sitemap (0.11.0)
+      addressable (~> 2.4.0)
+    jekyll-watch (1.4.0)
+      listen (~> 3.0, < 3.1)
+    kramdown (1.11.1)
    liquid (3.0.6)
-    listen (3.0.6)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9.7)
-    mercenary (0.3.5)
-    rake (10.5.0)
+    listen (3.0.8)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    mercenary (0.3.6)
+    rake (11.2.2)
    rb-fsevent (0.9.7)
    rb-inotify (0.9.7)
      ffi (>= 0.5.0)
-    rouge (1.10.1)
+    rouge (1.11.1)
    safe_yaml (1.0.4)
-    sass (3.4.21)
-    scss_lint (0.47.1)
-      rake (>= 0.9, < 11)
-      sass (~> 3.4.15)
+    sass (3.4.22)
+    scss_lint (0.49.0)
+      rake (>= 0.9, < 12)
+      sass (~> 3.4.20)

 PLATFORMS
  ruby
@@ -43,9 +45,9 @@ PLATFORMS

 DEPENDENCIES
  jekyll (~> 3.1.2)
-  jekyll-redirect-from (~> 0.10.0)
-  jekyll-sitemap (~> 0.10.0)
-  scss_lint (~> 0.47.1)
+  jekyll-redirect-from (~> 0.11.0)
+  jekyll-sitemap (~> 0.11.0)
+  scss_lint (~> 0.49.0)

 BUNDLED WITH
-   1.11.2
+   1.12.5
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -19,16 +19,12 @@ module.exports = function (grunt) {
  var fs = require('fs');
  var path = require('path');
  var isTravis = require('is-travis');
-  var mq4HoverShim = require('mq4-hover-shim');
-  var autoprefixerSettings = require('./grunt/autoprefixer-settings.js');
-  var autoprefixer = require('autoprefixer')(autoprefixerSettings);

-  var generateCommonJSModule = require('./grunt/bs-commonjs-generator.js');
  var configBridge = grunt.file.readJSON('./grunt/configBridge.json', { encoding: 'utf8' });

  Object.keys(configBridge.paths).forEach(function (key) {
    configBridge.paths[key].forEach(function (val, i, arr) {
-      arr[i] = path.join('./docs/assets', val);
+      arr[i] = path.join('./docs', val);
    });
  });

@@ -47,8 +43,8 @@ module.exports = function (grunt) {
                 '}\n',
    jqueryVersionCheck: '+function ($) {\n' +
                        '  var version = $.fn.jquery.split(\' \')[0].split(\'.\')\n' +
-                        '  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] >= 3)) {\n' +
-                        '    throw new Error(\'Bootstrap\\\'s JavaScript requires at least jQuery v1.9.1 but less than v3.0.0\')\n' +
+                        '  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] >= 4)) {\n' +
+                        '    throw new Error(\'Bootstrap\\\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0\')\n' +
                        '  }\n' +
                        '}(jQuery);\n\n',

@@ -86,52 +82,6 @@ module.exports = function (grunt) {
        files: {
          '<%= concat.bootstrap.dest %>' : '<%= concat.bootstrap.dest %>'
        }
-      },
-      umd: {
-        options: {
-          modules: 'umd'
-        },
-        files: {
-          'dist/js/umd/util.js'      : 'js/src/util.js',
-          'dist/js/umd/alert.js'     : 'js/src/alert.js',
-          'dist/js/umd/button.js'    : 'js/src/button.js',
-          'dist/js/umd/carousel.js'  : 'js/src/carousel.js',
-          'dist/js/umd/collapse.js'  : 'js/src/collapse.js',
-          'dist/js/umd/dropdown.js'  : 'js/src/dropdown.js',
-          'dist/js/umd/modal.js'     : 'js/src/modal.js',
-          'dist/js/umd/scrollspy.js' : 'js/src/scrollspy.js',
-          'dist/js/umd/tab.js'       : 'js/src/tab.js',
-          'dist/js/umd/tooltip.js'   : 'js/src/tooltip.js',
-          'dist/js/umd/popover.js'   : 'js/src/popover.js'
-        }
-      }
-    },
-
-    eslint: {
-      options: {
-        configFile: 'js/.eslintrc'
-      },
-      target: 'js/src/*.js'
-    },
-
-    jscs: {
-      options: {
-        config: 'js/.jscsrc'
-      },
-      grunt: {
-        src: ['Gruntfile.js', 'grunt/*.js']
-      },
-      core: {
-        src: 'js/src/*.js'
-      },
-      test: {
-        src: 'js/tests/unit/*.js'
-      },
-      assets: {
-        options: {
-          requireCamelCaseOrUpperCaseIdentifiers: null
-        },
-        src: ['docs/assets/js/src/*.js', 'docs/assets/js/*.js', '!docs/assets/js/*.min.js']
      }
    },

@@ -213,38 +163,6 @@ module.exports = function (grunt) {
      }
    },

-    postcss: {
-      core: {
-        options: {
-          map: true,
-          processors: [
-            mq4HoverShim.postprocessorFor({ hoverSelectorPrefix: '.bs-true-hover ' }),
-            autoprefixer
-          ]
-        },
-        src: 'dist/css/*.css'
-      },
-      docs: {
-        options: {
-          processors: [
-            autoprefixer
-          ]
-        },
-        src: 'docs/assets/css/docs.min.css'
-      },
-      examples: {
-        options: {
-          processors: [
-            autoprefixer
-          ]
-        },
-        expand: true,
-        cwd: 'docs/examples/',
-        src: ['**/*.css'],
-        dest: 'docs/examples/'
-      }
-    },
-
    cssmin: {
      options: {
        // TODO: disable `zeroUnits` optimization once clean-css 3.2 is released
@@ -266,8 +184,15 @@ module.exports = function (grunt) {
        ]
      },
      docs: {
-        src: 'docs/assets/css/docs.min.css',
-        dest: 'docs/assets/css/docs.min.css'
+        files: [
+          {
+            expand: true,
+            cwd: 'docs/assets/css',
+            src: ['*.css', '!*.min.css'],
+            dest: 'docs/assets/css',
+            ext: '.min.css'
+          }
+        ]
      }
    },

@@ -308,14 +233,14 @@ module.exports = function (grunt) {
    htmllint: {
      options: {
        ignore: [
-          'Element “img” is missing required attribute “src”.',
-          'Attribute “autocomplete” is only allowed when the input type is “color”, “date”, “datetime”, “datetime-local”, “email”, “month”, “number”, “password”, “range”, “search”, “tel”, “text”, “time”, “url”, or “week”.',
+          'Attribute “autocomplete” is only allowed when the input type is “color”, “date”, “datetime”, “datetime-local”, “email”, “hidden”, “month”, “number”, “password”, “range”, “search”, “tel”, “text”, “time”, “url”, or “week”.',
          'Attribute “autocomplete” not allowed on element “button” at this point.',
-          'Element “div” not allowed as child of element “progress” in this context. (Suppressing further errors from this subtree.)',
          'Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).',
-          'The “datetime” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
+          'Element “div” not allowed as child of element “progress” in this context. (Suppressing further errors from this subtree.)',
+          'Element “img” is missing required attribute “src”.',
          'The “color” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
          'The “date” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
+          'The “datetime” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
          'The “datetime-local” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
          'The “month” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
          'The “time” input type is not supported in all browsers. Please be sure to test, and consider using a polyfill.',
@@ -327,7 +252,7 @@ module.exports = function (grunt) {

    watch: {
      src: {
-        files: '<%= jscs.core.src %>',
+        files: '<%= concat.bootstrap.src %>',
        tasks: ['babel:dev']
      },
      sass: {
@@ -354,8 +279,17 @@ module.exports = function (grunt) {
    },

    exec: {
-      npmUpdate: {
-        command: 'npm update'
+      postcss: {
+        command: 'npm run postcss'
+      },
+      'postcss-docs': {
+        command: 'npm run postcss-docs'
+      },
+      htmlhint: {
+        command: 'npm run htmlhint'
+      },
+      'upload-preview': {
+        command: './grunt/upload-preview.sh'
      }
    },

@@ -403,7 +337,7 @@ module.exports = function (grunt) {
  require('time-grunt')(grunt);

  // Docs HTML validation task
-  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint']);
+  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint', 'exec:htmlhint']);

  var runSubset = function (subset) {
    return !process.env.TWBS_TEST || process.env.TWBS_TEST === subset;
@@ -418,7 +352,7 @@ module.exports = function (grunt) {
  if (runSubset('core') &&
    // Skip core tests if this is a Savage build
    process.env.TRAVIS_REPO_SLUG !== 'twbs-savage/bootstrap') {
-    testSubtasks = testSubtasks.concat(['dist-css', 'dist-js', 'test-scss', 'test-js', 'docs']);
+    testSubtasks = testSubtasks.concat(['dist-css', 'dist-js', 'test-scss', 'qunit', 'docs']);
  }
  // Skip HTML validation if running a different subset of the test suite
  if (runSubset('validate-html') &&
@@ -430,18 +364,18 @@ module.exports = function (grunt) {
  // Only run Sauce Labs tests if there's a Sauce access key
  if (typeof process.env.SAUCE_ACCESS_KEY !== 'undefined' &&
      // Skip Sauce if running a different subset of the test suite
-      runSubset('sauce-js-unit') &&
-      // Skip Sauce on Travis when [skip sauce] is in the commit message
-      isUndefOrNonZero(process.env.TWBS_DO_SAUCE)) {
-    testSubtasks.push('babel:dev');
-    testSubtasks.push('connect');
-    testSubtasks.push('saucelabs-qunit');
+      runSubset('sauce-js-unit')) {
+    testSubtasks = testSubtasks.concat(['dist', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs', 'exec:upload-preview']);
+    // Skip Sauce on Travis when [skip sauce] is in the commit message
+    if (isUndefOrNonZero(process.env.TWBS_DO_SAUCE)) {
+      testSubtasks.push('connect');
+      testSubtasks.push('saucelabs-qunit');
+    }
  }
  grunt.registerTask('test', testSubtasks);
-  grunt.registerTask('test-js', ['eslint', 'jscs:core', 'jscs:test', 'jscs:grunt', 'qunit']);

  // JS distribution task.
-  grunt.registerTask('dist-js', ['babel:dev', 'concat', 'babel:dist', 'stamp', 'uglify:core', 'commonjs']);
+  grunt.registerTask('dist-js', ['babel:dev', 'concat', 'babel:dist', 'stamp', 'uglify:core']);

  grunt.registerTask('test-scss', ['scsslint:core']);

@@ -453,7 +387,7 @@ module.exports = function (grunt) {
  // grunt.registerTask('sass-compile', ['sass:core', 'sass:extras', 'sass:docs']);
  grunt.registerTask('sass-compile', ['sass:core', 'sass:docs']);

-  grunt.registerTask('dist-css', ['sass-compile', 'postcss:core', 'cssmin:core', 'cssmin:docs']);
+  grunt.registerTask('dist-css', ['sass-compile', 'exec:postcss', 'cssmin:core', 'cssmin:docs']);

  // Full distribution task.
  grunt.registerTask('dist', ['clean:dist', 'dist-css', 'dist-js']);
@@ -461,22 +395,11 @@ module.exports = function (grunt) {
  // Default task.
  grunt.registerTask('default', ['clean:dist', 'test']);

-  grunt.registerTask('commonjs', ['babel:umd', 'npm-js']);
-
-  grunt.registerTask('npm-js', 'Generate npm-js entrypoint module in dist dir.', function () {
-    var srcFiles = Object.keys(grunt.config.get('babel.umd.files')).map(function (filename) {
-      return './' + path.join('umd', path.basename(filename))
-    })
-    var destFilepath = 'dist/js/npm.js';
-    generateCommonJSModule(grunt, srcFiles, destFilepath);
-  });
-
  // Docs task.
-  grunt.registerTask('docs-css', ['postcss:docs', 'postcss:examples', 'cssmin:docs']);
+  grunt.registerTask('docs-css', ['cssmin:docs', 'exec:postcss-docs']);
  grunt.registerTask('lint-docs-css', ['scsslint:docs']);
  grunt.registerTask('docs-js', ['uglify:docsJs']);
-  grunt.registerTask('lint-docs-js', ['jscs:assets']);
-  grunt.registerTask('docs', ['lint-docs-css', 'docs-css', 'docs-js', 'lint-docs-js', 'clean:docs', 'copy:docs']);
+  grunt.registerTask('docs', ['lint-docs-css', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs']);
  grunt.registerTask('docs-github', ['jekyll:github']);

  grunt.registerTask('prep-release', ['dist', 'docs', 'docs-github', 'compress']);

--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -5,7 +5,7 @@ Before opening an issue:
 - Prepare a [reduced test case](https://css-tricks.com/reduced-test-cases/) for any bugs
 - Read the [contributing guidelines](https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md)

-When asking general "how to" questons:
+When asking general "how to" questions:

 - Please do not open an issue here
 - Instead, ask for help on [StackOverflow, IRC, or Slack](https://github.com/twbs/bootstrap/blob/master/README.md#community)

--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 [![devDependency Status](https://img.shields.io/david/dev/twbs/bootstrap.svg)](https://david-dm.org/twbs/bootstrap#info=devDependencies)
 [![Meteor Atmosphere](https://img.shields.io/badge/meteor-twbs%3Abootstrap-blue.svg)](https://atmospherejs.com/twbs/bootstrap)
 [![Packagist Prerelease](https://img.shields.io/packagist/vpre/twbs/bootstrap.svg)](https://packagist.org/packages/twbs/bootstrap)
-[![NuGet](https://img.shields.io/nuget/vpre/bootstrap.svg)](https://www.nuget.org/packages/bootstrap/4.0.0-alpha2)
+[![NuGet](https://img.shields.io/nuget/vpre/bootstrap.svg)](https://www.nuget.org/packages/bootstrap/4.0.0-alpha3)
 [![Selenium Test Status](https://saucelabs.com/browser-matrix/bootstrap.svg)](https://saucelabs.com/u/bootstrap)

 Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development, created by [Mark Otto](https://twitter.com/mdo) and [Jacob Thornton](https://twitter.com/fat), and maintained by the [core team](https://github.com/orgs/twbs/people) with the massive support and involvement of the community.
@@ -30,12 +30,12 @@ To get started, check out <http://getbootstrap.com>!

 Several quick start options are available:

- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.2.zip)
+- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.3.zip)
 - Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
- Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.2`
- Install with [Meteor](https://www.meteor.com): `meteor add twbs:bootstrap@=4.0.0-alpha.2`
+- Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.3`
+- Install with [Meteor](https://www.meteor.com): `meteor add twbs:bootstrap@=4.0.0-alpha.3`
 - Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap`
- Install with [Bower](http://bower.io): `bower install bootstrap#v4.0.0-alpha.2`
+- Install with [Bower](http://bower.io): `bower install bootstrap#v4.0.0-alpha.3`
 - Install with [NuGet](https://www.nuget.org): CSS: `Install-Package bootstrap -Pre` Sass: `Install-Package bootstrap.sass -Pre` (`-Pre` is only required until Bootstrap v4 has a stable release).

 Read the [Getting started page](http://getbootstrap.com/getting-started/) for information on the framework contents, templates and examples, and more.

--- a/_config.yml
+++ b/_config.yml
@@ -23,13 +23,13 @@ gems:
  - jekyll-sitemap

 # Custom vars
-current_version:  4.0.0-alpha.2
+current_version:  4.0.0-alpha.3
 repo:             https://github.com/twbs/bootstrap
 slack:            https://bootstrap-slack.herokuapp.com

 download:
-  source:         https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.2.zip
-  dist:           https://github.com/twbs/bootstrap/releases/download/v4.0.0-alpha.2/bootstrap-4.0.0-alpha.2-dist.zip
+  source:         https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.3.zip
+  dist:           https://github.com/twbs/bootstrap/releases/download/v4.0.0-alpha.3/bootstrap-4.0.0-alpha.3-dist.zip

 blog:             http://blog.getbootstrap.com
 expo:             http://expo.getbootstrap.com
@@ -37,11 +37,11 @@ themes:           http://themes.getbootstrap.com

 cdn:
  # See https://www.srihash.org for info on how to generate the hashes
-  css:            https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/css/bootstrap.min.css
-  css_hash:       "sha384-y3tfxAZXuh4HwSYylfB+J125MxIs6mR5FOHamPBG064zB+AFeWH94NdvaCBm8qnd"
-  js:             https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.2/js/bootstrap.min.js
-  js_hash:        "sha384-vZ2WRJMwsjRMW/8U7i6PWi6AlO1L79snBrmgiDpgIWJ82z8eA5lenwvxbMV1PAh7"
-  jquery:         https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js
-  jquery_hash:    "sha384-mXQoED/lFIuocc//nss8aJOIrz7X7XruhR6bO+sGceiSyMELoVdZkN7F0oYwcFH+"
+  css:            https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/css/bootstrap.min.css
+  css_hash:       "sha384-MIwDKRSSImVFAZCVLtU0LMDdON6KVCrZHyVQQj6e8wIEJkW4tvwqXrbMIya1vriY"
+  js:             https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/js/bootstrap.min.js
+  js_hash:        "sha384-ux8v3A6CPtOTqOzMKiuo3d/DomGaaClxFYdCu2HPMBEkf6x2xiDyJ7gkXU0MWwaD"
+  jquery:         https://ajax.googleapis.com/ajax/libs/jquery/3.0.0/jquery.min.js
+  jquery_hash:    "sha384-THPy051/pYDQGanwU6poAc/hOdQxjnOEXzbT+OuUAFqNqFjL+4IGLBgCJC3ZOShY"
  tether:         https://cdnjs.cloudflare.com/ajax/libs/tether/1.2.0/js/tether.min.js
  tether_hash:    "sha384-Plbmg8JY28KFelvJVai01l8WyZzrYWG825m+cZ0eDDS1f7d/js6ikvy1+X+guPIB"
--- a/bower.json
+++ b/bower.json
@@ -29,7 +29,7 @@
    "test-infra"
  ],
  "dependencies": {
-    "jquery": "1.9.1 - 2",
+    "jquery": "1.9.1 - 3",
    "tether": "^1.1.1"
  }
 }
--- a/dist/css/bootstrap.css
+++ b/dist/css/bootstrap.css
 /*!
- * Bootstrap v4.0.0-alpha.2 (http://getbootstrap.com)
+ * Bootstrap v4.0.0-alpha.3 (http://getbootstrap.com)
+ * Copyright 2011-2016 The Bootstrap Authors
 * Copyright 2011-2016 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
@@ -320,7 +321,7 @@ html {
 }

 body {
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: #373a3c;
@@ -391,22 +392,21 @@ a:focus, a:hover {
 }

 a:focus {
-  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
 }

-a:not([href]) {
+a:not([href]):not([tabindex]) {
  color: inherit;
  text-decoration: none;
 }

-a:not([href]):focus, a:not([href]):hover {
+a:not([href]):not([tabindex]):focus, a:not([href]):not([tabindex]):hover {
  color: inherit;
  text-decoration: none;
 }

-a:not([href]):focus {
+a:not([href]):not([tabindex]):focus {
  outline: none;
 }

@@ -811,110 +811,69 @@ pre code {
  clear: both;
 }

-.col-xs-1 {
+.col-xs-1, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9, .col-xs-10, .col-xs-11, .col-xs-12, .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12, .col-xl-1, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-10, .col-xl-11, .col-xl-12 {
  position: relative;
  min-height: 1px;
  padding-right: 15px;
  padding-left: 15px;
+}
+
+.col-xs-1 {
  float: left;
  width: 8.333333%;
 }

 .col-xs-2 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 16.666667%;
 }

 .col-xs-3 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 25%;
 }

 .col-xs-4 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 33.333333%;
 }

 .col-xs-5 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 41.666667%;
 }

 .col-xs-6 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 50%;
 }

 .col-xs-7 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 58.333333%;
 }

 .col-xs-8 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 66.666667%;
 }

 .col-xs-9 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 75%;
 }

 .col-xs-10 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 83.333333%;
 }

 .col-xs-11 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 91.666667%;
 }

 .col-xs-12 {
-  position: relative;
-  min-height: 1px;
-  padding-right: 15px;
-  padding-left: 15px;
  float: left;
  width: 100%;
 }
@@ -1069,98 +1028,50 @@ pre code {

 @media (min-width: 544px) {
  .col-sm-1 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 8.333333%;
  }
  .col-sm-2 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 16.666667%;
  }
  .col-sm-3 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 25%;
  }
  .col-sm-4 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 33.333333%;
  }
  .col-sm-5 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 41.666667%;
  }
  .col-sm-6 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 50%;
  }
  .col-sm-7 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 58.333333%;
  }
  .col-sm-8 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 66.666667%;
  }
  .col-sm-9 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 75%;
  }
  .col-sm-10 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 83.333333%;
  }
  .col-sm-11 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 91.666667%;
  }
  .col-sm-12 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 100%;
  }
@@ -1282,98 +1193,50 @@ pre code {

 @media (min-width: 768px) {
  .col-md-1 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 8.333333%;
  }
  .col-md-2 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 16.666667%;
  }
  .col-md-3 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 25%;
  }
  .col-md-4 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 33.333333%;
  }
  .col-md-5 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 41.666667%;
  }
  .col-md-6 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 50%;
  }
  .col-md-7 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 58.333333%;
  }
  .col-md-8 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 66.666667%;
  }
  .col-md-9 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 75%;
  }
  .col-md-10 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 83.333333%;
  }
  .col-md-11 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 91.666667%;
  }
  .col-md-12 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 100%;
  }
@@ -1495,98 +1358,50 @@ pre code {

 @media (min-width: 992px) {
  .col-lg-1 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 8.333333%;
  }
  .col-lg-2 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 16.666667%;
  }
  .col-lg-3 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 25%;
  }
  .col-lg-4 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 33.333333%;
  }
  .col-lg-5 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 41.666667%;
  }
  .col-lg-6 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 50%;
  }
  .col-lg-7 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 58.333333%;
  }
  .col-lg-8 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 66.666667%;
  }
  .col-lg-9 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 75%;
  }
  .col-lg-10 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 83.333333%;
  }
  .col-lg-11 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 91.666667%;
  }
  .col-lg-12 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 100%;
  }
@@ -1708,98 +1523,50 @@ pre code {

 @media (min-width: 1200px) {
  .col-xl-1 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 8.333333%;
  }
  .col-xl-2 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 16.666667%;
  }
  .col-xl-3 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 25%;
  }
  .col-xl-4 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 33.333333%;
  }
  .col-xl-5 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 41.666667%;
  }
  .col-xl-6 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 50%;
  }
  .col-xl-7 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 58.333333%;
  }
  .col-xl-8 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 66.666667%;
  }
  .col-xl-9 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 75%;
  }
  .col-xl-10 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 83.333333%;
  }
  .col-xl-11 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 91.666667%;
  }
  .col-xl-12 {
-    position: relative;
-    min-height: 1px;
-    padding-right: 15px;
-    padding-left: 15px;
    float: left;
    width: 100%;
  }
@@ -2491,7 +2258,6 @@ select.form-control-lg:not([size]):not([multiple]), .input-group-lg > select.for
 }

 .btn:focus, .btn.focus, .btn:active:focus, .btn:active.focus, .btn.active:focus, .btn.active.focus {
-  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
 }
@@ -4046,24 +3812,6 @@ input[type="button"].btn-block {
  text-decoration: none;
 }

-@media (min-width: 544px) {
-  .navbar-toggleable-xs {
-    display: block !important;
-  }
-}
-
-@media (min-width: 768px) {
-  .navbar-toggleable-sm {
-    display: block !important;
-  }
-}
-
-@media (min-width: 992px) {
-  .navbar-toggleable-md {
-    display: block !important;
-  }
-}
-
 .navbar-nav .nav-item {
  float: left;
 }
@@ -4148,6 +3896,63 @@ input[type="button"].btn-block {
  background-color: rgba(255, 255, 255, 0.075);
 }

+.navbar-toggleable-xs::after {
+  content: "";
+  display: table;
+  clear: both;
+}
+
+@media (max-width: 543px) {
+  .navbar-toggleable-xs .navbar-nav .nav-item {
+    float: none;
+    margin-left: 0;
+  }
+}
+
+@media (min-width: 544px) {
+  .navbar-toggleable-xs {
+    display: block !important;
+  }
+}
+
+.navbar-toggleable-sm::after {
+  content: "";
+  display: table;
+  clear: both;
+}
+
+@media (max-width: 767px) {
+  .navbar-toggleable-sm .navbar-nav .nav-item {
+    float: none;
+    margin-left: 0;
+  }
+}
+
+@media (min-width: 768px) {
+  .navbar-toggleable-sm {
+    display: block !important;
+  }
+}
+
+.navbar-toggleable-md::after {
+  content: "";
+  display: table;
+  clear: both;
+}
+
+@media (max-width: 991px) {
+  .navbar-toggleable-md .navbar-nav .nav-item {
+    float: none;
+    margin-left: 0;
+  }
+}
+
+@media (min-width: 992px) {
+  .navbar-toggleable-md {
+    display: block !important;
+  }
+}
+
 .card {
  position: relative;
  display: block;
@@ -5454,7 +5259,7 @@ button.close {
  position: absolute;
  z-index: 1070;
  display: block;
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-style: normal;
  font-weight: normal;
  letter-spacing: normal;
@@ -5554,7 +5359,7 @@ button.close {
  display: block;
  max-width: 276px;
  padding: 1px;
-  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-style: normal;
  font-weight: normal;
  letter-spacing: normal;
@@ -5666,6 +5471,10 @@ button.close {
  border-radius: 0.2375rem 0.2375rem 0 0;
 }

+.popover-title:empty {
+  display: none;
+}
+
 .popover-content {
  padding: 9px 14px;
 }
@@ -5921,10 +5730,6 @@ button.close {
  }
 }

-.bg-inverse {
-  background-color: #373a3c;
-}
-
 .bg-faded {
  background-color: #f7f7f9;
 }
@@ -5974,6 +5779,15 @@ a.bg-danger:focus, a.bg-danger:hover {
  background-color: #c9302c !important;
 }

+.bg-inverse {
+  color: #fff !important;
+  background-color: #373a3c !important;
+}
+
+a.bg-inverse:focus, a.bg-inverse:hover {
+  background-color: #1f2021 !important;
+}
+
 .clearfix::after {
  content: "";
  display: table;

--- a/dist/css/bootstrap.css.map
+++ b/dist/css/bootstrap.css.map
--- a/dist/css/bootstrap.min.css
+++ b/dist/css/bootstrap.min.css
--- a/dist/css/bootstrap.min.css.map
+++ b/dist/css/bootstrap.min.css.map
--- a/dist/js/bootstrap.js
+++ b/dist/js/bootstrap.js
 /*!
- * Bootstrap v4.0.0-alpha.2 (http://getbootstrap.com)
- * Copyright 2011-2016 Twitter, Inc.
+ * Bootstrap v4.0.0-alpha.3 (http://getbootstrap.com)
+ * Copyright 2011-2016 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */

@@ -10,8 +10,8 @@ if (typeof jQuery === 'undefined') {

 +function ($) {
  var version = $.fn.jquery.split(' ')[0].split('.')
-  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] >= 3)) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v3.0.0')
+  if ((version[0] < 2 && version[1] < 9) || (version[0] == 1 && version[1] == 9 && version[2] < 1) || (version[0] >= 4)) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')
  }
 }(jQuery);

@@ -20,7 +20,7 @@ if (typeof jQuery === 'undefined') {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): util.js
+ * Bootstrap (v4.0.0-alpha.3): util.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -45,6 +45,8 @@ var Util = (function ($) {

  var transition = false;

+  var MAX_UID = 1000000;
+
  var TransitionEndEvent = {
    WebkitTransition: 'webkitTransitionEnd',
    MozTransition: 'transitionend',
@@ -67,8 +69,9 @@ var Util = (function ($) {
      delegateType: transition.end,
      handle: function handle(event) {
        if ($(event.target).is(this)) {
-          return event.handleObj.handler.apply(this, arguments);
+          return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
        }
+        return undefined;
      }
    };
  }
@@ -130,7 +133,7 @@ var Util = (function ($) {
    getUID: function getUID(prefix) {
      do {
        /* eslint-disable no-bitwise */
-        prefix += ~ ~(Math.random() * 1000000); // "~~" acts like a faster Math.floor() here
+        prefix += ~ ~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
        /* eslint-enable no-bitwise */
      } while (document.getElementById(prefix));
      return prefix;
@@ -187,7 +190,7 @@ var Util = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): alert.js
+ * Bootstrap (v4.0.0-alpha.3): alert.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -201,7 +204,7 @@ var Alert = (function ($) {
   */

  var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.alert';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
@@ -373,7 +376,7 @@ var Alert = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): button.js
+ * Bootstrap (v4.0.0-alpha.3): button.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -387,7 +390,7 @@ var Button = (function ($) {
   */

  var NAME = 'button';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.button';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
@@ -541,7 +544,7 @@ var Button = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): carousel.js
+ * Bootstrap (v4.0.0-alpha.3): carousel.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -555,12 +558,14 @@ var Carousel = (function ($) {
   */

  var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.carousel';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 600;
+  var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
+  var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key

  var Default = {
    interval: 5000,
@@ -776,10 +781,12 @@ var Carousel = (function ($) {
        }

        switch (event.which) {
-          case 37:
-            this.prev();break;
-          case 39:
-            this.next();break;
+          case ARROW_LEFT_KEYCODE:
+            this.prev();
+            break;
+          case ARROW_RIGHT_KEYCODE:
+            this.next();
+            break;
          default:
            return;
        }
@@ -1013,7 +1020,7 @@ var Carousel = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): collapse.js
+ * Bootstrap (v4.0.0-alpha.3): collapse.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -1027,7 +1034,7 @@ var Collapse = (function ($) {
   */

  var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.collapse';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
@@ -1371,7 +1378,7 @@ var Collapse = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): dropdown.js
+ * Bootstrap (v4.0.0-alpha.3): dropdown.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -1385,11 +1392,15 @@ var Dropdown = (function ($) {
   */

  var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.dropdown';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
+  var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
+  var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)

  var Event = {
    HIDE: 'hide' + EVENT_KEY,
@@ -1524,7 +1535,7 @@ var Dropdown = (function ($) {
    }, {
      key: '_clearMenus',
      value: function _clearMenus(event) {
-        if (event && event.which === 3) {
+        if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
          return;
        }

@@ -1587,9 +1598,9 @@ var Dropdown = (function ($) {
        var parent = Dropdown._getParentFromElement(this);
        var isActive = $(parent).hasClass(ClassName.OPEN);

-        if (!isActive && event.which !== 27 || isActive && event.which === 27) {
+        if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {

-          if (event.which === 27) {
+          if (event.which === ESCAPE_KEYCODE) {
            var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
            $(toggle).trigger('focus');
          }
@@ -1610,12 +1621,12 @@ var Dropdown = (function ($) {

        var index = items.indexOf(event.target);

-        if (event.which === 38 && index > 0) {
+        if (event.which === ARROW_UP_KEYCODE && index > 0) {
          // up
          index--;
        }

-        if (event.which === 40 && index < items.length - 1) {
+        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
          // down
          index++;
        }
@@ -1658,7 +1669,7 @@ var Dropdown = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): modal.js
+ * Bootstrap (v4.0.0-alpha.3): modal.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -1672,13 +1683,14 @@ var Modal = (function ($) {
   */

  var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.modal';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
  var JQUERY_NO_CONFLICT = $.fn[NAME];
  var TRANSITION_DURATION = 300;
  var BACKDROP_TRANSITION_DURATION = 150;
+  var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

  var Default = {
    backdrop: true,
@@ -1874,6 +1886,7 @@ var Modal = (function ($) {
        }

        this._element.style.display = 'block';
+        this._element.removeAttribute('aria-hidden');
        this._element.scrollTop = 0;

        if (transition) {
@@ -1922,7 +1935,7 @@ var Modal = (function ($) {

        if (this._isShown && this._config.keyboard) {
          $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
-            if (event.which === 27) {
+            if (event.which === ESCAPE_KEYCODE) {
              _this10.hide();
            }
          });
@@ -1945,6 +1958,7 @@ var Modal = (function ($) {
        var _this11 = this;

        this._element.style.display = 'none';
+        this._element.setAttribute('aria-hidden', 'true');
        this._showBackdrop(function () {
          $(document.body).removeClass(ClassName.OPEN);
          _this11._resetAdjustments();
@@ -2050,7 +2064,7 @@ var Modal = (function ($) {
        }

        if (this._isBodyOverflowing && !isModalOverflowing) {
-          this._element.style.paddingRight = this._scrollbarWidth + 'px~';
+          this._element.style.paddingRight = this._scrollbarWidth + 'px';
        }
      }
    }, {
@@ -2182,7 +2196,7 @@ var Modal = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.3): scrollspy.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -2196,7 +2210,7 @@ var ScrollSpy = (function ($) {
   */

  var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.scrollspy';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
@@ -2311,6 +2325,7 @@ var ScrollSpy = (function ($) {
            // todo (fat): remove sketch reliance on jQuery position/offset
            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
          }
+          return null;
        }).filter(function (item) {
          return item;
        }).sort(function (a, b) {
@@ -2496,7 +2511,7 @@ var ScrollSpy = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): tab.js
+ * Bootstrap (v4.0.0-alpha.3): tab.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -2510,7 +2525,7 @@ var Tab = (function ($) {
   */

  var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.tab';
  var EVENT_KEY = '.' + DATA_KEY;
  var DATA_API_KEY = '.data-api';
@@ -2755,7 +2770,7 @@ var Tab = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): tooltip.js
+ * Bootstrap (v4.0.0-alpha.3): tooltip.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -2777,7 +2792,7 @@ var Tooltip = (function ($) {
   */

  var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.tooltip';
  var EVENT_KEY = '.' + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3366,7 +3381,7 @@ var Tooltip = (function ($) {

 /**
 * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.2): popover.js
+ * Bootstrap (v4.0.0-alpha.3): popover.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */
@@ -3380,7 +3395,7 @@ var Popover = (function ($) {
   */

  var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.2';
+  var VERSION = '4.0.0-alpha.3';
  var DATA_KEY = 'bs.popover';
  var EVENT_KEY = '.' + DATA_KEY;
  var JQUERY_NO_CONFLICT = $.fn[NAME];

--- a/dist/js/bootstrap.min.js
+++ b/dist/js/bootstrap.min.js
--- a/dist/js/npm.js
+++ b/dist/js/npm.js
-// This file is autogenerated via the `commonjs` Grunt task. You can require() this file in a CommonJS environment.
-require('./umd/util.js')
-require('./umd/alert.js')
-require('./umd/button.js')
-require('./umd/carousel.js')
-require('./umd/collapse.js')
-require('./umd/dropdown.js')
-require('./umd/modal.js')
-require('./umd/scrollspy.js')
-require('./umd/tab.js')
-require('./umd/tooltip.js')
-require('./umd/popover.js')
\ No newline at end of file
--- a/dist/js/umd/alert.js
+++ b/dist/js/umd/alert.js
-(function (global, factory) {
-  if (typeof define === 'function' && define.amd) {
-    define(['exports', 'module', './util'], factory);
-  } else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
-    factory(exports, module, require('./util'));
-  } else {
-    var mod = {
-      exports: {}
-    };
-    factory(mod.exports, mod, global.Util);
-    global.alert = mod.exports;
-  }
-})(this, function (exports, module, _util) {
-  'use strict';
-
-  var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
-
-  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
-
-  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
-
-  var _Util = _interopRequireDefault(_util);
-
-  /**
-   * --------------------------------------------------------------------------
-   * Bootstrap (v4.0.0-alpha.2): alert.js
-   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
-   * --------------------------------------------------------------------------
-   */
-
-  var Alert = (function ($) {
-
-    /**
-     * ------------------------------------------------------------------------
-     * Constants
-     * ------------------------------------------------------------------------
-     */
-
-    var NAME = 'alert';
-    var VERSION = '4.0.0-alpha.2';
-    var DATA_KEY = 'bs.alert';
-    var EVENT_KEY = '.' + DATA_KEY;
-    var DATA_API_KEY = '.data-api';
-    var JQUERY_NO_CONFLICT = $.fn[NAME];
-    var TRANSITION_DURATION = 150;
-
-    var Selector = {
-      DISMISS: '[data-dismiss="alert"]'
-    };
-
-    var Event = {
-      CLOSE: 'close' + EVENT_KEY,
-      CLOSED: 'closed' + EVENT_KEY,
-      CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
-    };
-
-    var ClassName = {
-      ALERT: 'alert',
-      FADE: 'fade',
-      IN: 'in'
-    };
-
-    /**
-     * ------------------------------------------------------------------------
-     * Class Definition
-     * ------------------------------------------------------------------------
-     */
-
-    var Alert = (function () {
-      function Alert(element) {
-        _classCallCheck(this, Alert);
-
-        this._element = element;
-      }
-
-      /**
-       * ------------------------------------------------------------------------
-       * Data Api implementation
-       * ------------------------------------------------------------------------
-       */
-
-      // getters
-
-      _createClass(Alert, [{
-        key: 'close',
-
-        // public
-
-        value: function close(element) {
-          element = element || this._element;
-
-          var rootElement = this._getRootElement(element);
-          var customEvent = this._triggerCloseEvent(rootElement);
-
-          if (customEvent.isDefaultPrevented()) {
-            return;
-          }
-
-          this._removeElement(rootElement);
-        }
-      }, {
-        key: 'dispose',
-        value: function dispose() {
-          $.removeData(this._element, DATA_KEY);
-          this._element = null;
-        }
-
-        // private
-
-      }, {
-        key: '_getRootElement',
-        value: function _getRootElement(element) {
-          var selector = _Util['default'].getSelectorFromElement(element);
-          var parent = false;
-
-          if (selector) {
-            parent = $(selector)[0];
-          }
-
-          if (!parent) {
-            parent = $(element).closest('.' + ClassName.ALERT)[0];
-          }
-
-          return parent;
-        }
-      }, {
-        key: '_triggerCloseEvent',
-        value: function _triggerCloseEvent(element) {
-          var closeEvent = $.Event(Event.CLOSE);
-
-          $(element).trigger(closeEvent);
-          return closeEvent;
-        }
-      }, {
-        key: '_removeElement',
-        value: function _removeElement(element) {
-          $(element).removeClass(ClassName.IN);
-
-          if (!_Util['default'].supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
-            this._destroyElement(element);
-            return;
-          }
-
-          $(element).one(_Util['default'].TRANSITION_END, $.proxy(this._destroyElement, this, element)).emulateTransitionEnd(TRANSITION_DURATION);
-        }
-      }, {
-        key: '_destroyElement',
-        value: function _destroyElement(element) {
-          $(element).detach().trigger(Event.CLOSED).remove();
-        }
-
-        // static
-
-      }], [{
-        key: '_jQueryInterface',
-        value: function _jQueryInterface(config) {
-          return this.each(function () {
-            var $element = $(this);
-            var data = $element.data(DATA_KEY);
-
-            if (!data) {
-              data = new Alert(this);
-              $element.data(DATA_KEY, data);
-            }
-
-            if (config === 'close') {
-              data[config](this);
-            }
-          });
-        }
-      }, {
-        key: '_handleDismiss',
-        value: function _handleDismiss(alertInstance) {
-          return function (event) {
-            if (event) {
-              event.preventDefault();
-            }
-
-            alertInstance.close(this);
-          };
-        }
-      }, {
-        key: 'VERSION',
-        get: function get() {
-          return VERSION;
-        }
-      }]);
-
-      return Alert;
-    })();
-
-    $(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert()));
-
-    /**
-     * ------------------------------------------------------------------------
-     * jQuery
-     * ------------------------------------------------------------------------
-     */
-
-    $.fn[NAME] = Alert._jQueryInterface;
-    $.fn[NAME].Constructor = Alert;
-    $.fn[NAME].noConflict = function () {
-      $.fn[NAME] = JQUERY_NO_CONFLICT;
-      return Alert._jQueryInterface;
-    };
-
-    return Alert;
-  })(jQuery);
-
-  module.exports = Alert;
-});
--- a/dist/js/umd/button.js
+++ b/dist/js/umd/button.js
-(function (global, factory) {
-  if (typeof define === 'function' && define.amd) {
-    define(['exports', 'module'], factory);
-  } else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
-    factory(exports, module);
-  } else {
-    var mod = {
-      exports: {}
-    };
-    factory(mod.exports, mod);
-    global.button = mod.exports;
-  }
-})(this, function (exports, module) {
-  /**
-   * --------------------------------------------------------------------------
-   * Bootstrap (v4.0.0-alpha.2): button.js
-   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
-   * --------------------------------------------------------------------------
-   */
-
-  'use strict';
-
-  var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
-
-  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
-
-  var Button = (function ($) {
-
-    /**
-     * ------------------------------------------------------------------------
-     * Constants
-     * ------------------------------------------------------------------------
-     */
-
-    var NAME = 'button';
-    var VERSION = '4.0.0-alpha.2';
-    var DATA_KEY = 'bs.button';
-    var EVENT_KEY = '.' + DATA_KEY;
-    var DATA_API_KEY = '.data-api';
-    var JQUERY_NO_CONFLICT = $.fn[NAME];
-
-    var ClassName = {
-      ACTIVE: 'active',
-      BUTTON: 'btn',
-      FOCUS: 'focus'
-    };
-
-    var Selector = {
-      DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
-      DATA_TOGGLE: '[data-toggle="buttons"]',
-      INPUT: 'input',
-      ACTIVE: '.active',
-      BUTTON: '.btn'
-    };
-
-    var Event = {
-      CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
-      FOCUS_BLUR_DATA_API: 'focus' + EVENT_KEY + DATA_API_KEY + ' ' + ('blur' + EVENT_KEY + DATA_API_KEY)
-    };
-
-    /**
-     * ------------------------------------------------------------------------
-     * Class Definition
-     * ------------------------------------------------------------------------
-     */
-
-    var Button = (function () {
-      function Button(element) {
-        _classCallCheck(this, Button);
-
-        this._element = element;
-      }
-
-      /**
-       * ------------------------------------------------------------------------
-       * Data Api implementation
-       * ------------------------------------------------------------------------
-       */
-
-      // getters
-
-      _createClass(Button, [{
-        key: 'toggle',
-
-        // public
-
-        value: function toggle() {
-          var triggerChangeEvent = true;
-          var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
-
-          if (rootElement) {
-            var input = $(this._element).find(Selector.INPUT)[0];
-
-            if (input) {
-              if (input.type === 'radio') {
-                if (input.checked && $(this._element).hasClass(ClassName.ACTIVE)) {
-                  triggerChangeEvent = false;
-                } else {
-                  var activeElement = $(rootElement).find(Selector.ACTIVE)[0];
-
-                  if (activeElement) {
-                    $(activeElement).removeClass(ClassName.ACTIVE);
-                  }
-                }
-              }
-
-              if (triggerChangeEvent) {
-                input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-                $(this._element).trigger('change');
-              }
-
-              input.focus();
-            }
-          } else {
-            this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
-          }
-
-          if (triggerChangeEvent) {
-            $(this._element).toggleClass(ClassName.ACTIVE);
-          }
-        }
-      }, {
-        key: 'dispose',
-        value: function dispose() {
-          $.removeData(this._element, DATA_KEY);
-          this._element = null;
-        }
-
-        // static
-
-      }], [{
-        key: '_jQueryInterface',
-        value: function _jQueryInterface(config) {
-          return this.each(function () {
-            var data = $(this).data(DATA_KEY);
-
-            if (!data) {
-              data = new Button(this);
-              $(this).data(DATA_KEY, data);
-            }
-
-            if (config === 'toggle') {
-              data[config]();
-            }
-          });
-        }
-      }, {
-        key: 'VERSION',
-        get: function get() {
-          return VERSION;
-        }
-      }]);
-
-      return Button;
-    })();
-
-    $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
-      event.preventDefault();
-
-      var button = event.target;
-
-      if (!$(button).hasClass(ClassName.BUTTON)) {
-        button = $(button).closest(Selector.BUTTON);
-      }
-
-      Button._jQueryInterface.call($(button), 'toggle');
-    }).on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
-      var button = $(event.target).closest(Selector.BUTTON)[0];
-      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type));
-    });
-
-    /**
-     * ------------------------------------------------------------------------
-     * jQuery
-     * ------------------------------------------------------------------------
-     */
-
-    $.fn[NAME] = Button._jQueryInterface;
-    $.fn[NAME].Constructor = Button;
-    $.fn[NAME].noConflict = function () {
-      $.fn[NAME] = JQUERY_NO_CONFLICT;
-      return Button._jQueryInterface;
-    };
-
-    return Button;
-  })(jQuery);
-
-  module.exports = Button;
-});