Added BroadcastIntent and BroadcastRegistrar classes, to make sending and
receiving broadcast intents easier.  Modified AudioPlayerService and other
similar classes to use Broadcast intents intead of callbacks (as an example).
Merge branch 'master' of git://github.com/TheLastCrusade/fanClub into bcast_receiver_comms
Modified PlaybarFragment and playlist service code to remove intent actions, and
use service interface.

Rolled AudioPlayerService into PlaylistService (playlist functionality should be
pulled into PlaylistManager)
added todos regarding register/unregisterReceivers
Split up super long line
Replaced AudioPlayerService with PlaylistService
Merge pull request #32 from theJenix/bcast_receiver_comms

Bcast receiver comms