Merge pull request #12459 from rubenstolk/hotfix/mixins/scale

Make both .scale(X) and .scale(X, Y) both work
grunt
replace .visible-{size} with .visible-{size}-{display} ; fixes #8869
updated qunit test reporting so sauce labs can report failing tests
Correctly set .btn-link colors in a .navbar and .navbar-inverse #12694
Fixes #12756: Ensure horizontal dls are cleared by moving the clearfix out of the media query
Merge branch 'master' into pr/12813

Conflicts:
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css
Update modals to use more consistent padding—modal body and footer now match modal header
Remove second tbody from Supported browsers

Removed the second tbody from "Internet Explorer 8 and 9" Table
Merge pull request #12818 from hebbet/patch-1

Remove second tbody from Supported browsers
Fixes #12801: Add padding to the bottom of .form-control-static to match height of standard form controls
Merge branch 'master' of github.com:twbs/bootstrap
Fixes #12808: Correct grid column values listed in Grid Options
Fixes #12822: Scope panel collapse styles to immediate panel bodies only
Update grunt-contrib-connect.
switch browserName from "googlechrome" to "chrome" per @Jonahss in #12647
Merge pull request #12834 from twbs/sauce-chrome-name

switch browserName from "googlechrome" to "chrome"
fix #12836

Thanks @Quy.
move grid classes cascade explanation into main grid docs section
Merge pull request #12837 from twbs/grid-docs

move grid classes cascade explanation into main grid docs section