Deleted old ".doc" form of Advanced Programming Guide. The new one is a ".docx".
Deleted old ".doc" form of Advanced Programming Guide. The new one is a ".docx".

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