Merge branch 'release/1.1.2beta2' into develop
show the indeterminate progress bar
stop sync service when refreshing and exiting the application
Issue #30: get rid of vote countdowns

Moves VoteTask into NowPlayingActivity and there is no longer a wait for
voting.
Issue #31: update mLastVoteId in Session.vote()
docstring for Session.getLastVoteId()
ensure we can't vote for same thing twice
remove a useless handler
move all preference stuff to RainwavePreferenceActivity

resolve issue #33: properly check SharedPreferences.Editor.commit()
add extra interface for getLastStationId()
Merge branch 'feature/preferences' into develop
version bump
Merge branch 'release/1.1.2beta3'