Roll back to JwPlayer 6.5

6.6 added skins for mobile devices, which are poor performing, and can have leaky css. Use the latest version prior to mobile skins until they add the ability to turn mobile skinning off.
Fix seeking on Android.

Seeking on Android is broken in the same manner as iOS. So you need to start the video, and then seek to the position, otherwise playback starts at the beginning.
Merge pull request #38 from isaacgrant/jwplayer-6.5

Roll back to JwPlayer 6.5