Add support for geolocation lookups

[atc0005]

v0.1.x supplied fail2ban configuration files which provides support for blocking and reporting offending IPs. The report contains geolocation information to help identify where a request is coming from. The assumption is that multiple requests will occur, one per IP Address associated with potential abuse.

We should consider providing this same information directly, either using the same binary that fail2ban uses for the reports or another Go-based library.