Navigation drawer behaviour tweaks
Now playing shows volume slider transiently
Volume slider has empty icon

indicating the direction of the slider and bringing visual balance
Show thetrack time remaining
Revert "Volume slider has empty icon"

This reverts commit e8e6077a8ac23b870cfa273d260d424736cf9a51.
More space for track times on now playing
Show the track time remaining in landscape
Now playing adjusted for the new action buttons in landscape
Java 1.7 sources
Reduce AsyncTask delays
More background tasks converted use the threadpool
Travis-style release builds