-Added long clicks for popup and background player buttons on details fragment for append intents.
-Removed restrictions for preventing UI to show up when player is buffering.
-Fixed icons for all repeat modes.
-Added Progress bar to background activity when player is in not ready state.
-Fixed Track Selection when switching between video and audio only on video players.
-Fixed video player to enable tunnelling only after sdk > 21.
-Fixed activity exception from restarting after service is shutdown on earlier sdk versions.
-Added icons for shuffle and drag handle.
-Fixed exception when returning to background player activity after service shuts down.
-Fixed open detail only working for Youtube.
- Fixed media source resolution on background player for streams without an audio only stream.
- Fixed background player not updating when screen turns back on.
- Fixed background player notification switching to wrong repeat mode icon opacity on click.
