update version
Docs: updated playback rate demo to include example code
removed flavors request from entry data, renamed "accessControl" to "contextData" and grab flavors from contextData response
add dfxp to the textsource
update to rc2
 1.9.2
Docs: updated landing video to player preview video
fix playbackRate studio line to not break the Flash player
Merge pull request #467 from kaltura/1.9.2_Sep_15

QA Pull 1.9.2 Sep 15
added browser prefixes for all css3 properties
give playlists default width
merge with master