Added support for --sky-light and headlight with local position at 0,0,0
Added support for --sky-light and headlight with local position at 0,0,0


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