Minor cleanup. Added #define for testing repeatability.
Minor cleanup. Added #define for testing repeatability.

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