Finished Notifications in p3ServiceControl:
 - added extra Mutex to make notifications work.
 - Added ServiceControl tick to ServiceServer.
 - switched p3discovery2 from pqiMonitor -> pqiServiceMonitor



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7201 b45a01b8-16f6-495d-af2f-9b41ad6348cc
Fixed double increment bug, enabled GXS in gui by default.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7202 b45a01b8-16f6-495d-af2f-9b41ad6348cc