Merge branch 'master' into subnet

Conflicts:
	CHANGELOG
Skeleton functions for MAC address reading implemented.
Todo change
Fix in file read error handing (bug #266)
Minor client classification update (vendor-class options are now
accepted by the parser)
get_mac_from_ipv6() is now stored in Portable.h.in
Minor client classification update (vendor-class options are now
accepted by the parser)

Conflicts:
	CHANGELOG
	SrvCfgMgr/SrvLexer.cpp
	SrvCfgMgr/SrvParser.cpp
New relaying code is now operational!
Changelog updated
Merge branch 'master' into reconfigure

Conflicts:
	AUTHORS
	CHANGELOG
	Messages/Msg.h
	SrvCfgMgr/SrvParser.cpp
DUID compilation fix.