WebKit CSS3 carousel transforms for supported devices
Utilised mixins rather than specific WebKit properties
Removed unnecessary percentage sign for 3D translation
Add nested kbd element styles for actual keys or inputs
Improved mixin ability with nested media query
Changed last-child to first-child
As noted by @jerem the first child will actually be the last shown
replace js scrollspy test for default behavior
Revert "Temporarily revert README deletions from #13470,"

This reverts commit 54284a13c6b503d925bf6f75db2830f1af7fcf98.
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.
text transformation added

Transform text in components with text capitalization classes.
Color Contrast for panel heading

related to #13686
fix variables in panels.less
Fix gutter variable
Merge pull request #13777 from BBosman/fix-gutter

Fix gutter variable
<input> buttons line-height Firefox bugfix has been shipped!

Remove Wall of Browser Bugs entry.
Update mention of the bug in the CSS docs.
[skip sauce]
Merge pull request #13780 from twbs/fx-30

<input> buttons line-height Firefox bugfix has been shipped!
MD/CommonJS/Globals #12909
Merge pull request #13772 from twbs/fat-amd

AMD/CommonJS/Globals #12909
fix #13220 Scrollspy generates wrong offsets for a page-- recalculate offsets if `scrollheight` changes
button-groups.html: fix grammar: "in on" => "on"