General improvements.
Merge #146
- Getting rid of the set_facts, which was introduced in #89 and which is making the role unusable repetitively in a single play.
- Implement check & generation for hostkeys, which should solve #111
- Many tests improvements
- Improve/cleanup documentation
- Remove some unneeded default options
- Improved support for creating configuration snippets (for Include functionality default in Fedora)
- Testsuite passing in Fedora, CentOS 7 and CentOS 8