Description:
    Generates a config file and locale files and a model/attributes translation file for Rails 3.x i18n.
    In other words, executes i18n_locale and i18n_translation at once.

Example:
    % rails g i18n locale_name (ja, pt-BR, etc.)

    This will create:
        config/locales/ja.yml
        config/locales/translation_ja.yml
    And update:
        config/application.rb
