Initial code push.
Issues addressed:
- DEPENB-1362 - Version Check of systemd was not reflective of documentation.
- DEPENB-1366 - CAS Resource Mgmt needed additional packages.
- DEPENB-1373 - Remove vi / va specific pre-install playbooks.
- DEPENB-1552 - Name of disable SELinux task was incorrect.
- DEPENB-1557 - Maximum Number of OS Tasks changes when running pre-install playbook with --check option
- DEPENB-1561 - Inconsistency between hostname length checking and actual hostname length.
- DEPENB-1392 - Validate hostname meets RFC952 criteria & SAS limitations