update GS version to 8.0.4
update GS version to 8.0.4

svn path=/trunk/openspaces/; revision=93962


Former-commit-id: aad47756804d6e39acb3c6bffd18e9be7c6d4f3d
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces