Refactored the way that the static Scene cache is managed by moving all the functionality into a SceneSingleton
Refactored the way that the static Scene cache is managed by moving all the functionality into a SceneSingleton


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