Allow for a custom docker executable in the make process
Allow for a custom docker executable in the make process

Closes: #21
Signed-off-by: Felix Abecassis <55aebb135999a2c3fc3e3a88716154833ef9e5ed@nvidia.com>

NVIDIA/nvidia-docker,mvechava/nvidia-docker,mvechava/nvidia-docker,mvechava/nvidia-docker