Music Controlls #2 and Album Art #3 changes

Adding icons for back, play, pause, next
to the action bar. Splitting action bar.
Cusom coloring to action bar with overlay
and transparency. larger album art
Adding Song info #4, icon #3, controlls work #2

Now loads the Song information as part of the
update method. Using the album art as the
Action Bar icon. Play, Pause, Next, Back
controlls send requests.