* Move NetworkManager.h -> include/NetworkManager.h
* Split out VPN stuff to include/NetworkManagerVPN.h
* Fix up makefiles to include new location
* Fix up sources to include NetworkManagerVPN.h
git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@1130 4912f4e0-d625-0410-9fb7-b9a5a253dbdc