Fix issue with double move event firing in typeahead.

Fix test to catch issue.
Fix #5806.
follow button width
Set focus back to input field after clicking an item
Test 'focus is still set' added

Fixes issue #5933
Once more, update all the favicons to retina
Update js/bootstrap-scrollspy.js

Fix for Bootstrap issue #6013 "scrollSpy - offset calculation"
https://github.com/twitter/bootstrap/issues/6013
correct link on index page to grid system
Fix up display of dropdown submenu examples on responsive views
Fixes #4550: Temporary fix for dropdown taps on mobile

* Fix as documented here: https://github.com/twitter/bootstrap/issues/4756#issuecomment-9952781
* Stops propagation for touchstart for dropdowns
add gallery page, fill with a few screenshots to start
Merge branch '2.2.2-wip' into 3.0.0-wip

Conflicts:
	README.md
	docs/assets/css/bootstrap.css
	docs/assets/js/bootstrap.js
	docs/assets/js/bootstrap.min.js
	docs/examples/fluid.html
	docs/scaffolding.html
	less/breadcrumbs.less
	less/popovers.less
	less/responsive.less
Remove commented out old popover CSS
Nuke all i18n tags from .mustache templates
Escape &times;
Fix code block white-space breaks within pre tags.
Merge pull request #6143 from Quy/2.2.2-wip

Escape &times;
Fixes #6136: Proper scoping of breadcrumbs divider
Merge branch '2.2.2-wip' of github.com:twitter/bootstrap into 2.2.2-wip
Merge pull request #6151 from tierra/pre-code-white-space-fix

Fix code block white-space breaks within pre tags.
Fixes #6148: Icons in mini buttons properly aligned
Merge branch '2.2.2-wip' of github.com:twitter/bootstrap into 2.2.2-wip