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
Updated poster to use CSS styles to hide instead of show/hide methods. fixes #1567

Also, refactored a lot of it.