Fixes assets precompile on Heroku
Default available locale is pt-BR instead of pt.
Add pt-PT key to english and italian locales.
Added pt-BR.yml locale file.
Added pt-PT.yml locale file.
Merge pull request #8 from joanamartins/master

Fix 'pt' locale key and add translations for pt-BR and pt-PT
Ability to switch locale
removed other locales
Merge branch 'master' of git://github.com/stefanoverna/activeadmin-globalize3

Conflicts:
	config/locales/it.yml