added DrinHostData interface
re-implements Runnable and removed all message sending now done by the background service
added updatePairState to the Sever API interface
added onHostDiscovered event to the interface
now runs discovery in its thread and fires all needed events to update the UI. Implements updatePairState method
added getLast and setPaired overridden methods
removed unneeded doDiscover parameter
several fixes
got broadcast_startalarmrepeater event back to work and various fixes