refactored offline detection; moved functionality from different modules to OfflineDetection only, adapted FloodingNode & HotpotatoNode implementation
Renamed and added parameter for DarknetBase/Simple and OfflineDetectionNode
remove some stupid recodring om messages; done by messagelog if neede
added requestFanout feature to HotpotatoNode
added signaling parameters to DarknetBaseNode for result recording
added Signal to DarknetOfflineDetectionNode for drop by resendcounter exceeded
removed vistitedNodes array from darknetmessage