- refactor declared variables and method parameters types ArrayList to List
- rename AbstracScan class
- execute DetermineLocalhost at startup
- interface improvement for NetworkDevice
- implement NetworkEdge
- graph, add operations return boolean success flag
- graph, first implementations of a graph query interface
- node, change conditions for homenode, 
- node, localhost detection
- implement tracerouteProcess
- add/update/improve many unit tests
- add test for RouteNodeTask / NetworkNode
- nodes get their edges set on adding edges to the graph
- add distance property for node
- add UnknownNode class for hosts that does not respond to ICMP/UDP traceroutes correctly, but were detected