v2.2.0
- Update ansible-role-rsyslog to v1.1.8
- Update ansible-role-collectd to v2.1.4
- code more robust with Network Manager
- Add CentOS8 support
- Update ansible-sshd to v0.8.3
- Update ansible-role-slurm to v2.0.4
- Add ansible-role-arc-frontend-6 role, not in use yet by default