Remove tests for requestFullScreen() and cancelFullScreen()

The only unprefixed names are requestFullscreen() and exitFullscreen():
http://fullscreen.spec.whatwg.org/#api

Checking for non-existent functions is harmless, but useless.
Use Document.fullscreenElement, not currentFullScreenElement

http://fullscreen.spec.whatwg.org/#api
display captions on chrome cast
Removing unused variable and event handler
Merge pull request #101 from foolip/rm-request-cancel-full-screen

Remove tests for requestFullScreen() and cancelFullScreen()
Merge pull request #102 from foolip/fullscreen-element

Use Document.fullscreenElement, not currentFullScreenElement
Don't look for webkitEnterFullscreen/webkitEnterFullScreen on <div>

These two functions have never been exposed on HTMLDivElement, only
on HTMLMediaElement/HTMLVideoElement:
http://trac.webkit.org/changeset/50893
http://trac.webkit.org/changeset/54143

Looking for it on the _playerElement <div> is useless, but harmless.
ignore bin-debug and bin-release
Merge pull request #107 from jwplayer/feature/captions

display captions on chrome cast [finishes #70646650]
Vast controlbar fading during midrolls and postrolls for Flash and HTML5
[Fixes #70673788]
Merge pull request #105 from foolip/rm-webkit-enter-fullscreen-div

Don't look for webkitEnterFullscreen/webkitEnterFullScreen on <div>