initialize_i18n

# File activesupport/lib/active_support/i18n_railtie.rb, line 48
    def self.initialize_i18n(app)
      return if @i18n_inited

      fallbacks = app.config.i18n.delete(:fallbacks)

      app.config.i18n.each do |setting, value|
        case setting
        when :railties_load_path
          app.config.i18n.load_path.unshift(*value)
        when :load_path
          I18n.load_path += value
        else
          I18n.send("#{setting}=", value)
        end
      end

      init_fallbacks(fallbacks) if fallbacks && validate_fallbacks(fallbacks)

      reloader_paths.concat I18n.load_path
      reloader.execute

      @i18n_inited = true
    end