Added options to explicitly assign platforms and intended roles to the nodes.
Added options to explicitly assign platforms and intended roles
to the nodes.

SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,gosipyan/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,vmoravec/automation,aspiers/automation