method_missing

# File railties/lib/rails/railtie/configuration.rb, line 91
      def method_missing(name, *args, &blk)
        if name.end_with?("=")
          @@options[:"#{name[0..-2]}"] = args.first
        elsif @@options.key?(name)
          @@options[name]
        else
          super
        end
      end