Make CMakeLists.txt match molmodel's better.
Make CMakeLists.txt match molmodel's better.

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