GS-803 Build version advanced to 6.6.1.2990.20
GS-803 Build version advanced to 6.6.1.2990.20

svn path=/trunk/openspaces/; revision=40638


Former-commit-id: 80f8e1351feffec00708ae707db88517e94b42a8
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces