* Fix sourcemap directory organizing on Windows

* Update comments

Since `v2.2.1` of webpack the need for `ident` for complex options is no longer required. See

https://webpack.js.org/guides/migrating/#complex-options

* Update sw-precache-webpack-plugin to v0.11.3

* Pin the version

* Added NamedModulesPlugin in webpack.config.dev.js

* Update webpack.config.dev.js

* Disable a micro-option in uglify that appears to be buggy

See https://github.com/facebookincubator/create-react-app/issues/2376

* wrong plugin

* Add a comment

Removed the overriding of reduce_vars to false since webpack v2.6.0 included the fixed for Uglify bug (#2351)

* Add navigateFallbackWhitelist /__* to SW Precache config

* Add comments

* Provide a no-op SW that will be served by the dev environment.

* Hide no-op service worker from user

* Disable host check if you don't use proxy

* Add a way to opt out and document it

* Always resolve NODE_PATH

* Update env.js

* sw-precache-webpack-plugin, SW registration, manifest.json

* Documentation + a few SW tweaks.

* Added an unregister method, too, just in case.

* More info for the READMEs.

* Add minify to SWPrecacheWebpackPlugin config

* Fix SWPrecacheWebpackPlugin typo

* Fix file references in READMEmd

* Add instructions for testing service-worker locally

* Review feedback

* Some additional PWA metadata

* Use sw-precache-webpack-plugin v0.9.1 for node >=4.0.0 support

* Review feedback.

* Add manifest.json context in a comment.

* Fix typo

* Downgrade to sw-precache-webpack-plugin 0.9.1

* Hide changes in README until 1.0

* Hide changes in User Guide until 1.0

* Hide more docs

* Webpack config typo

* Webpack config more typo

* Add module scope plugin

* Oops

* Add comments

* Check windows seps too

* More descriptive error

* Document it

* Ignore Moment.js locales by default

* Update README.md

* Bump dependencies

* Bump CSS deps

* Somehow I missed dotenv

* Bump ESLint deps

* Tweak ESLint rules

* Adding postcss-flexbugs-fixes

Using postcss-flexbugs-fixes to fix all flexbug's issues.

* Adding flexbox: 'no-2009' to Autoprefixer

It will add flexbox prefixes only for final and IE versions of
specification.

* Support hoisting react-scripts

* require.resolve() loaders and configs

This makes it so that loaders and configs are resolved relative to the config rather than to the app. This seems to make more sense to me.

* Show network address on start

* Tweak visual representation

* Change proxy handling to allow multiple proxies to be specified in package.json.

* Up webpack-dev-server to 2.4.2

Webpack Dev Server version 2.4.2 handles the external websocket upgrade
for all proxies

* Fix the listen() call

* Switch to correct default host

* Remove promises and extract to react-dev-utils

* oops

* Add custom eslint formatter

* Add formatter docs

* Update formatter docs

* Slightly tweak it

* Update README.md

* Browser sort is not stable

* Fix ordering of final message

* Register the warning capture

* Display only createElement warnings

* Use different method name

* Fix regression

* Ignore errors with only node_module files

* Ignore null files, too

* Revise count

* Revise warning

* Update overlay.js

* Add support for https://github.com/facebook/react/pull/9679

* Use absolute paths

* Trim path if it's absolute

* Make sure it's an absolute path

* Oops

* Tweak for new behavior

* Make it safer

* More resilient warnings

* Prettier output

* Fix flow

* support different env configs.

* fomrat code

* Hide doc

* Slightly rework the PR

* Remove .env in default template
* Use just one entry in the paths
* Unify env.js and loadEnv.js

* Oops, forgot these folks

* ༼ つ ◕_◕ ༽つ stack-frame-overlay

* Fix linting

* Remove auto overlay

* Fix e2e

* Pull in the rest

* Appease flow

* Correct dep

* Remove old repo references

* Check flow on test

* Test overlay in e2e

* Add cross env

* Rename package

* Make sure it gets built post-install

* Update the README

* Remove extra builds now that there's a postinstall script

* Revert "Remove extra builds now that there's a postinstall script"

This reverts commit 8bf601db.

* Remove broken script

* Fix some dev ergo