Change numerical grad. step size for testGetCMMdA
Change numerical grad. step size for testGetCMMdA

Resolves #545

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