Fixed push/popping of filepath, removed verbose debug messages 
Fixed push/popping of filepath, removed verbose debug messages 


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