Add-ons [OzzModz] Country Registration Ban 2.2.0

Changelog:

This is a beta release and contains breaking changes that was tested in a limited environment.
Take a backup before installing on a production site.

• Minimal XF version changed to 2.2, PHP 7.2
• General code refactor
• Now uses composer to load maxmind/reader library
• Removed useless Cloudflare Middeware
• Added checking for the release date to avoid downloading the same datatabase
• GeoIP database was moved from /data/ to /internal_data/ folder to protect it from unauthorized downloads