Fix #12025 and minify styles
mv .img-responsive docs from Overview to Images section
Improve alignment of the dashboard placeholder images
Fixes #12435
add note to CONTRIBUTING.md about `outline: none`
Tightening up popover arrow css scope to apply only to direct descendant arrows.
update docs about destination of remote modal content; fixes #12494
fix #12527
fix #12540
Merge pull request #12543 from twbs/fix-12540

Fixes #12540
add .btn-inverse removal to migration guide; fixes #12538
Merge pull request #12544 from twbs/sayonara-inverse-btn

add .btn-inverse removal to migration guide
add removal of .help-inline to the migration guide; fixes #12539
Merge pull request #12545 from twbs/arrivederci-help-inline

add removal of .help-inline to the migration guide
fix #12541
Merge pull request #12546 from twbs/modal-hiding-now-implicit

Mention .modal.fade.hide => .modal.fade in migration docs
Safari's justified nav bug is still present as of Safari v7.0.1; fixes #12454
Remove comma first rule

Removes outdated coding style rule.
die tabs, die!
fix #12566
Add examples/**/*css in the csslint task.

Fixes #12457.