GS-803 Build version advanced to 6.6.0.2596.21
GS-803 Build version advanced to 6.6.0.2596.21

svn path=/trunk/openspaces/; revision=39492


Former-commit-id: c752ca7311f86d88de9630358fe5f5ca04454173
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces