WebKit CSS3 carousel transforms for supported devices
Utilised mixins rather than specific WebKit properties
Removed unnecessary percentage sign for 3D translation
Improved mixin ability with nested media query
Add aria-haspopup and aria-expanded attributes to dropdown plugin

1. Add aria-haspopup="true" and aria-expanded="false" to dropdown docs
2. Toggle aria-expanded between "true" and "false" when opening and closing dropdown

Satisfy item 1 from https://github.com/paypal/bootstrap-accessibility-plugin#dropdown. See #13553.
Added Firefox support for CSS3 carousel transition
Expose transition durations on plugin constructors; closes #13656
CSS3 Carousel code formatting
Update uglify-js to v2.4.14.
Run `grunt`.
Add Pointer Events
Update dependencies.
Update uglify-js to v2.4.15.
Run `grunt`.
Fix text on ".progress-bar .sr-only" elements.
Merge pull request #14112 from vsn4ik/fix-sr-only-progress-bars

Fix text on ".progress-bar .sr-only" elements in docs
dropdowns.html: Add role="button" and id="..." to link in example.
Merge pull request #14113 from vsn4ik/add-attributes-for-dropdown-example

dropdowns.html: Add role="button" and id="..." to link in example.
Gruntfile.js: Add semicolon in "_update-shrinkwrap" task.
Merge pull request #14118 from vsn4ik/add-semicolon-in-gruntfile

Gruntfile.js: Add semicolon in "_update-shrinkwrap" task.