GS-803 Build version advanced to 6.6.0.2591.260
GS-803 Build version advanced to 6.6.0.2591.260

svn path=/trunk/openspaces/; revision=35529


Former-commit-id: 7ab332e0d301cb44d66ce4acd5f38183fca71a45
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces