Merge branch 'release/1.1.2beta3' into develop
fail in static initializer if Rainwave.DEFAULT_URL fails to initialize

Related to issue #34.
stop countdowntimer when possible

this is issue #36
clear requests and station in Session.clearUserInfo()

related to issue #35
call Session.unpickle() at start of NowPlayingActivity

related to issue #37
start/stop service in onResume()/onPause()
don't hold on to references of AsyncTasks
version bump
Merge branch 'release/1.1.2'