The NetworkConfigurator can now globally map IP addresses to MAC addresses
ARA does now use MAC addresses instead of IPv4
Deleted obsole ARP related methods
Improved logging
Made basic scneario5 way more complex
The networkconfigurator does now also assign the mac addresses
OMNeTAddress::toString does only print out its last byte in decimal for better logging
Fixed failing test
Improved logging format for OMNeTAddresses
RoutingTable entries are now correctly deleted if their value reaches zero