Increase .lead font-weight for better readability on mobile

Fix #11464 - JS noConflict() mode not working in 3.0.x

fixes #13367

Update docs libs

Warn about IE emulation modes in docs+examples

Document that @import-ing Bootstrap can break the icon font path

For better readability on mobile devices

Minor Spacing fixes

Flagged upstream in bootstrap-sass by scss-lint

Second color stop value should be percentage instead of decimal value.

Carousel event properties

Addresses part of #13429.

README: Authors => Creators

document that show-ing a tooltip/popover on a hidden element doesn't work

Fixes #13395

Fixes #13393

fixes #13157 - Collapse plugin - issues with transition end event bubbli...

add IE10 viewport bug workaround to examples

FIX: #13355. Added .navbar-nav to migration change list.

document that non-:visible scrollspy targets are ignored

Add missing word.

#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