method_missing

# File railties/lib/rails/railtie/configuration.rb, line 89
      def method_missing(name, *args, &blk)
        if name.to_s =~ /=$/
          @@options[$`.to_sym] = args.first
        elsif @@options.key?(name)
          @@options[name]
        else
          super
        end
      end