remove ip address from generated tntnet.xml since it is normally not needed and now optional
remove ip address from generated tntnet.xml since it is normally not needed and now optional

git-svn-id: cc913a7f7b4e3b8bac01cff72f0fc87362e4d502@1416 8dd45c8f-be11-0410-86c3-e0da43b70fc1

maekitalo/tntnet,maekitalo/tntnet,maekitalo/tntnet,OlafRadicke/tntnet,maekitalo/tntnet,OlafRadicke/tntnet,OlafRadicke/tntnet,maekitalo/tntnet,OlafRadicke/tntnet,maekitalo/tntnet,OlafRadicke/tntnet