Fixes for Gia:
Fixes the mysteries of reviving simple animals in the least intrusive manner I could think of
Removes player_controlled because ckeys did much the same thing
Uses update_canmove() instead of hardseting it

One last Bugfix: Simple animals generated with no real_name will use their initial name as their real name so that transformed antags will not get a "(survived as )" because the thing they turned into didn't have a real_name set.