Fixes #10903 and #10457: IE8-9 don't support events on elements without background-color, so we have to hack it
Merge branch 'master' into carousel_indicators_ie

Conflicts:
	dist/css/bootstrap.min.css
Merge branch 'master' into carousel_indicators_ie
fixes #11151: remove unused h5bp class from print CSS
Merge branch 'master' into carousel_indicators_ie

Conflicts:
	dist/css/bootstrap.min.css
Merge pull request #11186 from twbs/carousel_indicators_ie

Carousel indicators for IE8-9
fixes #11126: remove box-shadow from open dropdown toggle with .btn-link