load urdf from file using tinyxml instead of my own fstream.  (fixes global path issue on windows)
load urdf from file using tinyxml instead of my own fstream.  (fixes global path issue on windows)

psiorx/drake,sheim/drake,psiorx/drake,psiorx/drake,sheim/drake,sheim/drake,edowson/drake,sheim/drake,thientu/drake,astrorog/drake,billhoffman/drake,hanssusilo/drake,crogers3/drake,scottviteri/drake,crogers3/drake,astrorog/drake,psiorx/drake,psiorx/drake,edowson/drake,billhoffman/drake,tkoolen/drake,tkoolen/drake,astrorog/drake,hanssusilo/drake,billhoffman/drake,thientu/drake,crogers3/drake,tkoolen/drake,astrorog/drake,hanssusilo/drake,billhoffman/drake,edowson/drake,hanssusilo/drake,crogers3/drake,thientu/drake,scottviteri/drake,crogers3/drake,sheim/drake,thientu/drake,crogers3/drake,sheim/drake,edowson/drake,hanssusilo/drake,scottviteri/drake,astrorog/drake,edowson/drake,tkoolen/drake,thientu/drake,billhoffman/drake,crogers3/drake,thientu/drake,crogers3/drake,psiorx/drake,astrorog/drake,tkoolen/drake,billhoffman/drake,thientu/drake,scottviteri/drake,astrorog/drake,scottviteri/drake,scottviteri/drake,psiorx/drake,billhoffman/drake,psiorx/drake,hanssusilo/drake,edowson/drake,scottviteri/drake,hanssusilo/drake,edowson/drake,hanssusilo/drake,tkoolen/drake,sheim/drake,tkoolen/drake,edowson/drake,sheim/drake,billhoffman/drake