Added save and restoring of the cull mask to Camera handling code
Added save and restoring of the cull mask to Camera handling code


XiaoCC/osg,stmh/osg,omega-hub/osg,artoolkit/osg,stmh/osg,ntoand/osg,omega-hub/osg,stmh/osg,ntoand/osg,koshman86/osg,artoolkit/osg,koshman86/osg,omega-hub/osg,ghub/osg,koshman86/osg,artoolkit/osg,ghub/osg,omega-hub/osg,XiaoCC/osg,XiaoCC/osg,stmh/osg,XiaoCC/osg,ntoand/osg,ghub/osg,XiaoCC/osg,koshman86/osg,ghub/osg,artoolkit/osg,ntoand/osg,stmh/osg