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.
Remove comma first rule

Removes outdated coding style rule.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

Fixes #12457.
Examples: fix csslint errors.
fix #12494 in the migration docs
Merge pull request #12533 from 1000hz/tighten-popover-arrows-scope

Scope popover arrow css to direct descendant
Merge pull request #12553 from ZDroid/nocf

Remove comma first rule
Don't offset customizer alert, grunt dist
Merge pull request #12466 from XhmikosR/12457

Add examples/css in the csslint task.
Add examples/**/*.css in csscomb task.
Remove double semicolon.
Merge pull request #12568 from XhmikosR/examples-csscomb

Add examples in csscomb
Merge pull request #12499 from twbs/move-responsive-imgs-sect

move .img-responsive docs from Overview to Images section
Update Filesaver.js to the latest git (2014-01-24).