IPv4NetworkConfigurator: Replaced call to AddressResolver with member variable access.
Ethernet: Fixed interface name when EtherMAC is directly added to a node instead of inside a NIC module.

Added findModuleUnderContainingNode to ModuleAccess.
Test: Fixed module test to compile after check_and_cast refactor.
NED: Added InterfaceTable unconditionally to bridge devices.

Also added NotificationBoard required by InterfaceTable.
Ethernet: Renamed mac submudole to eth in ethernet switch.

Changes interface name in InterfaceTable.
IPv4NetworkConfigurator: Added dumpLinks parameter.
IPv4NetworkConfigurator: changed to support mixed wired and wireless LANs for autoconfiguration.
Test: added a few IPv4NetworkConfigurator tests to check IP address assignment.