Made SimTK_DEFINE_AND_EXPORT_UNIQUE_LOCAL_ID_TYPE more general so it can be used to define local types.
Made SimTK_DEFINE_AND_EXPORT_UNIQUE_LOCAL_ID_TYPE more general so it can be used to define local types.

simbody/simbody,robojukie/simbody,Gjacquenot/simbody,scamille/simbody,robojukie/simbody,elkingtonmcb/simbody,chrisdembia/simbody,simbody/simbody,robojukie/simbody,elkingtonmcb/simbody,Gjacquenot/simbody,chrisdembia/simbody,chrisdembia/simbody,elkingtonmcb/simbody,Gjacquenot/simbody,elen4/simbody,scamille/simbody,elen4/simbody,scamille/simbody