* geoip wip
* return nil if ip is empty string or if ParseIP returns nil
* add ui component to render geolocation if available, address PR feedback
* render public ip if available
* add changes file, document geoip in deployment guide
* update rest-api docs
* fix get hosts command to properly output json/yaml based on command line flag
* add changes file
* added tests for get hosts when specifiying host
* added additional hosts to be returned in test cases
* go fmt