Requires: https://github.com/NVIDIA/hpc-container-maker/pull/172

E.g.:

python ogscm/cli.py --pm system --cvode --ompi off  --ogs ~/code/ogs6/ogs --cmake_args ' -DOGS_BUILD_CLI=OFF -DOGS_BUILD_UTILS=ON -DBUILD_SHARED_LIBS=ON -DBUILD_TESTING=OFF -DOGS_BUILD_PROCESSES=GroundwaterFlow'

Added script for building conan images.

Added switch --mpi_benchmarks to install mpi-hello, mpi-ring and mpi-bw and osu benchmarks as scif app.

https://github.com/hpc/charliecloud/blob/master/test/Dockerfile.openmpi