GS-803 Build version advanced to 6.6.0.2591.51
GS-803 Build version advanced to 6.6.0.2591.51

svn path=/trunk/openspaces/; revision=34730


Former-commit-id: c3d2c6c2f9e04e4fb146a6b20a883bbb6f843924
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces