Add the playback rate menu to the content el. closes #1716, fixes #1712
Make sure that setSource is directly on prototype
This is to make the new source handlers backwards compatible and so it
wont break techs that extend existing techs that were converted to use
source handlers. closes #1746
Release 4.11.2
Merge branch 'stable'

Conflicts:
	dist/video-js/video-js.css
	dist/video-js/video-js.min.css
	dist/video-js/video.dev.js
	dist/video-js/video.js