Issue #105. You can click on the whole box to go into category or add product to the cart.
Configure mail settings from application.yml.
Small modifications on welcome text.
Issue #103. Administrators and users can now sign in with case insensitive name or email.
Replace custom rails translations with the rails-i18n gem.
Default locale is now 'en' and if the locale requested is not available the default locale is used.
Issue #106. The welcome text now follow the locale requested.
Small problems with cart lines translations.