Added Azimuth and Elevation intersector functors.
Added Azimuth and Elevation intersector functors.


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