added a UnorderedMapWatcher for the GUI of the simulator
Small changes to make WATCH_UNORDEREDMAP work
added operator<< methods to class Address and RoutingTable
Merge branch 'rtvis' of github.com:des-testbed/Ara-Sim into rtvis
fixed unit test RoutingTableEntryTest
added unit test for class Address/AddressMock
added a class RoutingTableWatcher for routing table statistics
fixed issue in unit test for overloaded output operator in class Address
removed old watch descriptor code from class OMNeTRoutingTable
added unit test for class RoutingTableWatcher
small changes to the RoutingTableWatcher header
initialized iterator in class RoutingTableWatcher
added template support to class RoutingTableWatcher
Merge branch 'rtvis' into develop

Conflicts:
	omnetpp/EARANetworkLayer.ned