Update Doxyfile.in for new version of doxygen
Update Doxyfile.in for new version of doxygen

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