DHCP - by Ben

Conflicts:
	src/applications/dhcp/DHCPClient.cc
	src/applications/dhcp/DHCPClient.h
	src/applications/dhcp/DHCPServer.cc
	src/applications/dhcp/DHCPServer.h
	tests/fingerprint/omnet4/examples.csv
	tests/module/DHCP_2.test
fixes for DHCP in integration
-- fingerprints changed