- Backup is now done by the OS user nobody and MySQL user backup.
- Backup script now outputs start, finish and error to stdout.
- Removed dependency on ca-store Ansible role.
- The MySQL user is added to the ssl group only if the group exists.
- Backup provisioninig is now optional depending on if the mysql_backup_password
  variables is defined.
- Moved most configuration to templates inside conf.d.
- Remote admin account is now optional depending on if the mysql_admin_password
  is defined.
- The mysql-server packges is reconfigured to reset root password if it's
  needed.

  how to install roles.
- Corrected privilege escalation in tests, added example.

- Replaced pre-commit-hooks git url to use https instead of ssh, works in more
  restricted networks.

- Enabled diff.

- Wait for server to come online.
- Depend on the common role.
- Create an admin account with forced SSL (WIP).
- Log to syslog (WIP).
- Update meta information.

- Don't create database and account, left to the application role.