added element cross-site-constraint in xsd
added element cross-site-constraint in xsd

Anisotrop/gateway,jitsni/gateway,a-zuckut/gateway,danibusu/gateway,jitsni/gateway,Anisotrop/gateway,kaazing/gateway,a-zuckut/gateway,Anisotrop/gateway,a-zuckut/gateway,danibusu/gateway,jitsni/gateway,kaazing/gateway,danibusu/gateway,a-zuckut/gateway,jitsni/gateway,kaazing/gateway,Anisotrop/gateway,danibusu/gateway,kaazing/gateway