Carousel: Use the transition duration from CSS

This makes it possible to change the transition duration in CSS
grunt
Punt Apache license information and stick with MIT
version bump
Merge pull request #11416 from danielboendergaard/carousel-duration

Carousel: Use the transition duration from CSS
more license mentions
remove license readme mention
another apache mention
Merge branch 'master' of github.com:twbs/bootstrap
grunt after that carousel merge
cleanup licensing section more
update license faqs for apache
Merge branch 'master' of github.com:twbs/bootstrap
update licensing header in JS files & run grunt
license in customizer
rebuild minified customizer JS so it reflects the licensing change