Do not include locales which are not present in I18n.available_locales. This is important when using gems that include translations for locales you don't want.
Update README and CHANGELOG
Merge remote-tracking branch 'remotes/origin/master' into avail-locales
Fix conflicted spec from recent merge
Clarify changelog
Merge pull request #219 from johnnyshields/avail-locales

Do not include locales which are not present in I18n.available_locales.