Initial (partial) subnet implementation added.
Merge branch 'master' into subnet

Conflicts:
	CfgMgr/StationRange.cpp
	CfgMgr/StationRange.h
	SrvCfgMgr/SrvCfgIface.cpp
	SrvCfgMgr/SrvLexer.cpp
	SrvCfgMgr/SrvParser.cpp
Merge branch 'master' into subnet

Conflicts:
	CfgMgr/HostRange.cpp
	CfgMgr/HostRange.h
	SrvCfgMgr/SrvLexer.cpp
	SrvCfgMgr/SrvParser.cpp
	SrvCfgMgr/SrvParser.h
TStationRange -> THostRange
Merge branch 'master' into subnet
Merge branch 'master' into subnet

Conflicts:
	SrvCfgMgr/SrvLexer.cpp
	SrvCfgMgr/SrvParser.cpp
Merge branch 'master' into subnet

Conflicts:
	SrvCfgMgr/SrvLexer.cpp
	SrvCfgMgr/SrvParser.cpp
	SrvCfgMgr/SrvParser.h
Merge branch 'master' into subnet
config example added.
Tweaks in TSrvMsg increasing testability
First relay test implemented.
Makefile.in regenerated
Verification implemented in first relay test.
Server now closes sockets properly.
Minor cleanups
Relay tests implemented:
  - interface-id (integer, string, hex)
  - subnet selection
relay selection by link address implemented.
relay unit-tests fixed.
Relay clean-up almost complete!
Sending wireshark dumps implemented.