Adding reference to generator-videojs-plugin
Fixed the contrib patch start command
Bumped to videojs-swf v4.5.1 to fix a data sanitization issue. closes #1587
Release 4.9.1
Merge branch 'stable'

Conflicts:
	dist/video-js/video-js.css
	dist/video-js/video-js.min.css
	dist/video-js/video-js.swf
	dist/video-js/video.js
@heff updated the poster to use CSS styles to display; fixed the poster not showing if not originally set. closes #1568
Merge pull request #1577 from demersdesigns/master

Adding reference to generator-videojs-plugin