BUG FIXES:

• Fix path to MySQL schema for Debian 10 (#73)

IMPROVEMENTS:

• Allow loading apt key from the ansible server (#75)
• CentOS 8 support (#74, #81)
• Archlinux support (#76)
• Set the ownership and permissions for config files and databases (#82)
• Ensure PowerDNS is started as an unprivileged user by default (in line with PowerDNS 4.3+ behaviour)