Fingerprints: Added a separate output CSV file containing the errors and failures.
Test: Updated lifecycle tests.
Examples: Renamed IPv4NetworkConfigurator submodules to configurator.
RoutingTable: Fixed IPv4NetworkConfigurator lookup.
ARP: Fixed when there's no IP address during initialize.
TCPBasicClientApp: Fixed socket closing during shutdown.
UDPBasicApp: Added check to skip unresolved destination addresses in.
UDPSink: Added some text output for testing.
IPv4NetworkLayer: Added IPv4NodeConfigurator.
InterfaceTable: Changed the way how interfaces are registered.

Interfaces are unconditionally registered from initialize.
Interfaces are no longer registered during node startup.
Interfaces are no longer removed during node startup.
TCPGenericCliAppBase: Changed to allow unresolved destination address when the server is down.
LDP: Fixed bug when there's no IP address yet.
IPv4NetworkConfigurator: Fixed readding static routes and updated fingerprint.
XXX
to avoid fingerprint change in inet/multicast