- Allowing to configure default resolvers when using netplan
- Added Ubunutu 20 support
- rework eyp_resolvconf_maxns fact
- added RHEL 8 support
- SLES 12.3 support
- Ubuntu 18.04 support
- don't add domain when is set to an empty string
- added Ubuntu 16.04 support
- minor change in resolv.conf banner