Area7 gem structure w mtodd testdbs

Most failing tests were due to outdated IP resolutions, see https://gist.github.com/bbozo/5523578

Remaining fails are:

```
  1) Failure:
test_blank_region_skips_region_name_set(GeoIPCityTest) [/home/bbozo/dev/geoip/test/test_geoip.rb:142]:
<nil> expected but was
<"00">.

  2) Failure:
test_character_encoding_converted_to_utf8_first(GeoIPCityTest) [/home/bbozo/dev/geoip/test/test_geoip.rb:136]:
<"São Paulo"> expected but was
<"S\xC3\xA3o Paulo">.
```