Add all subcommand to moromi CLI. Add parser descriptions.
Skeleton for finding automatic dependency order. Introduces toposort direct dependency for moromi.
Use OrderedDict to store cfg data so the ordering there can be used as an ordering hint for the all subcommand.
Start dep order resolver, provided images
Complete resolve_dep_order
Merge container_system_option_names bugfixes into moromi-build-all
Fix missing keys() call
Merge branch 'moromi-build-all'