Add documentation for the exitflag in solver function
Add documentation for the exitflag in solver function

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