GS-803 Build version advanced to 6.6.0.2591.91
GS-803 Build version advanced to 6.6.0.2591.91

svn path=/trunk/openspaces/; revision=34872


Former-commit-id: ad566787fa73da5cd27791d50b8336467e71aa5e
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces