Fixes missing UG-list with unknown country

This change fixes an issue where users without a known IP-address didn't
get to see the list of usergroups
Merge pull request #37 from heiglandreas/feature/showUgListWithoutKnownCountry

Fixes missing UG-list with unknown country

* heiglandreas/feature/showUgListWithoutKnownCountry:
  Fixes missing UG-list with unknown country