Clear out previous video when switching streams

Change poster in HTML5 player when switching streams

Show changed poster in Flash player when switching streams

Update HTML5 duration & current time when switching streams
Handle RTMP urls in preloading

Fix flash player preloading with many hacks

Fixed problem of video not playing when preload is none

VOV-1802

Fixed having to click 3 times to play video
Fixed poster img extending outside player
Use HTML5 fullscreen API for plugin player when possible
Use VideoElement for audio rtmp streams
Fixed Red5 end-of-stream bugs: progress bar stops too soon, buffering icon appears
Do not hide controls when they're being hovered over
AMS seek while paused works as expected
Fixed Red5 pause-then-seek problem, VOV-1628
Prevent poster-request-spamming in Chrome from the class toggling in updateDuration()
Add audio/rtmp to list of supported types in flash plugin
Removed Firefox fullscreen limitation because it works now
Get git to stop freaking out about line endings in swf files