cleaned up compiler warnings (using clang on mac).  some of the code could have been generating memory bugs, which might now be fixed.  (e.g. operating on unitialized values, and accidentally creating new memory on top of an existing variable name)
cleaned up compiler warnings (using clang on mac).  some of the code could have been generating memory bugs, which might now be fixed.  (e.g. operating on unitialized values, and accidentally creating new memory on top of an existing variable name)

git-svn-id: cf55bc44fb097054a32fc70455a459c940dbbffc@7740 c9849af7-e679-4ec6-a44e-fc146a885bd3

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