PS: implemented RemoteControlClient (not working yet)
Moved RemoteControlClient and MediaButtons to onCreate/onDestroy
PS: set playstate for remote
PS: also update target state for pre-KK
Material: added stub methods for imageFiles
PS: use track.image as an album art
Send stock-like broadcasts

Although this didn't help with Pebble music app
PS: broadcast duration
PS: fixed broadcasted intents