adding artificial mass to pendulum urdf to make drc-viewer happy.  would prefer to remove it later
adding artificial mass to pendulum urdf to make drc-viewer happy.  would prefer to remove it later

git-svn-id: cf55bc44fb097054a32fc70455a459c940dbbffc@4725 c9849af7-e679-4ec6-a44e-fc146a885bd3

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