Fix form-control-feedback position when label has sr-only class
Fix indent
added bower reference to main less file
Add documentation for using optional icons with sr-only labels
#11464 - Fix JS noConflict mode - Refactor all plugins to use an internal reference to the jQuery plugin, because in noConflict mode you can never expect to be defined on the jQuery object
fixes https://github.com/twbs/bootstrap/issues/13367

Second color stop value should be percentage instead of decimal value.
Update JSZip to v2.2.1.
Update holder.js to v2.3.2.
Run `grunt`.
Update type.less

For better readability on mobile devices
Merge pull request #13424 from twbs/docs-libs

Update docs libs
Merge pull request #13437 from saas786/master

fixes #13367
Merge pull request #11966 from colllin/noconflict

Fix #11464 - JS noConflict() mode not working in 3.0.x
Merge pull request #13449 from sejr/master

Increase .lead font-weight for better readability on mobile
grunt dist
Merge pull request #13328 from thebigredgeek/master

Added bower reference to main less file
explain
grunt dist
Merge branch 'pr/13320'

Conflicts:
	dist/css/bootstrap-rtl.min.css
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	docs/dist/css/bootstrap-rtl.min.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css
document grid column wrapping behavior; fixes #13247