Chozabu patch

- New db created for parent group id field, you will all previous gxs data
- posted now support sub post topics

git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.6-initdev@7042 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/retroshare/rsgxsifacetypes.h

@@ -65,6 +65,7 @@ public:
     std::string mCircleId;
     uint32_t mCircleType;
     uint32_t mAuthenFlags;
+    std::string mParentGrpId;
 
     // BELOW HERE IS LOCAL DATA, THAT IS NOT FROM MSG.