GS-803 Build version advanced to 6.6.0.2591.52
GS-803 Build version advanced to 6.6.0.2591.52

svn path=/trunk/openspaces/; revision=34731


Former-commit-id: 1f7c67fd40a955f28d8dba38d35e28bf24402d6d
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces