Replace UTF-8 characters in s3_cache.py with ASCII characters

Update dependencies

Updates grunt-html-validation and grunt-jekyll dependencies.

Fix wrong indent in .jscs.json

Add docs-assets/css/docs.css to csslint too.

Change david-dm theme to make README badges uniform

Update dependencies.

Merge branch 'tooltip-events-fix' of git://github.com/lukaszfiszer/bootstrap into lukaszfiszer-tooltip-events-fix

Conflicts:
	js/tooltip.js

Use document scroll height instead of offset height

Pass $element to offset top/bottom calc funcs

Conflicts:
	js/tests/unit/carousel.js

Conflicts:
	dist/js/bootstrap.min.js
	docs-assets/js/raw-files.js

if affixed top add scrollTop to it position.top
calculate and cache pinnedoffset independent of scrolling for initial load

Use correct directory name for bootstrap contribution

Conflicts:
	docs-assets/js/raw-files.js

change where modal loads content -– fixes #10105, #9318, #9459

Update Respond.js

fixes #10205 Scrollspy Doesn't Support Chinese ID Targets  http://mathiasbynens.be/notes/html5-id-class