included proguard into maven build process
Wrapped Google EventBus into Singleton
replaced Observer and Observable by EventBus
improved message handling
Switched to EventBus in Gui
EventBus now with own Thread
Added Messages in Gui
set auto-scroll to message pane
added message sending
only one target selectable
cleanup code
removed unused events
moved register to presenter constructor
EventBus as member
switched to notifications over the EventBus