All AlarmEvent:s now provide getOldValue().
Moved init of message bus, now in SFApplication.onCreate
Fixed AudioSource logic & temp bugfix in AudioConfig
DateChangeEvent -> ScheduleChangeEvent
Removed manual update to persistence, now done via message bus.
Alarm.toString now provides more information.
Use guava Maps util in Alarm.
Rewrote PersistenceManager methods for fetch, update, add, delete,
OrmLite liteness to blame...
Fixed persistence in RingerSettingsActivity.