in copy_files.sh, ensure that ~/.ssh exists
in copy_files.sh, ensure that ~/.ssh exists

it doesn't exist by default on the docker ubuntu image

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