Linux fixes thanks to Jack.
Linux fixes thanks to Jack.

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