United Kingdom's TLD is .uk, not .gb

See: http://en.wikipedia.org/wiki/.gb
enabled localhost for testing
added release notes
Merge pull request #4 from danharper/patch-1

United Kingdom's TLD is .uk, not .gb
no release notes yet
Merge branch 'master' of github.com:fayder/restcountries
Merge branch 'dev' into servlet2