Added RsTlvKeySignatureSet to rstlvkeys

- added test to test/serialiser 
- Updated all relevant gxs test (ran whole suite, added gxsdata_test, tests meta serilisation, to pro file) 

Updated flag in rsgxsflags to account for authentication and private types 

Changed msgId/grpId generation to sha1 hash

removed photoservice VEG file from pro file




git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5630 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/gxs/gxssecurity.h

@@ -126,7 +126,7 @@ public:
          * @param msg
          * @return false if verfication of signature is not passed
          */
-        static bool validateNxsMsg(RsNxsMsg *msg);
+        static bool validateNxsMsg(RsNxsMsg *msg, RsGxsGrpMetaData* grpMeta);
 };
 
 #endif // GXSSECURITY_H