transform origin mixin for explorer
Clarify Windows workarounds.
Use variables for breadcrumb padding
Merge pull request #11839 from XhmikosR/readme

Clarify Windows workarounds.
Merge pull request #11841 from ZDroid/breadcrumbs

Use variables for breadcrumb padding
Fixes #11837: grid containers are fixed width now, no longer max-width
Merge branch 'master' of github.com:twbs/bootstrap
Added @dropdown-caret-color variable back to variables.less (deprecated)
Merge pull request #11859 from dzwillia/add_dropdown_caret_color

Add @dropdown-caret-color variable back to variables.less
Sauce tests: update to later browsers supported by OS X 10.9
Merge pull request #11863 from twbs/update-osx

Sauce tests: update to later browsers supported by OS X 10.9
Merge pull request #11819 from janpanschab/ms-transform-origin

Transform-origin mixin for IE
-ms-transform is for IE9 only, IE10+ don't require it
Add docs-assets/css/docs.css to csslint too.
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