duarouter → router Relation

File in src/duarouter	Includes file in src/router
duarouter_main.cpp	ROEdge.h
duarouter_main.cpp	ROFrame.h
duarouter_main.cpp	ROLoader.h
duarouter_main.cpp	RONet.h
RODUAEdgeBuilder.cpp	ROEdge.h
RODUAEdgeBuilder.h	ROAbstractEdgeBuilder.h
RODUAFrame.cpp	ROFrame.h