fix compile_all.py script, it did not return failure exit codes
fix compile_all.py script, it did not return failure exit codes

patmarion/director,patmarion/director,manuelli/director,openhumanoids/director,openhumanoids/director,mitdrc/director,patmarion/director,patmarion/director,openhumanoids/director,manuelli/director,manuelli/director,manuelli/director,mitdrc/director,mitdrc/director,RobotLocomotion/director,manuelli/director,RobotLocomotion/director,openhumanoids/director,mitdrc/director,RobotLocomotion/director,RobotLocomotion/director,patmarion/director,openhumanoids/director,mitdrc/director,RobotLocomotion/director