def method_missing(method_name, *args, &block)
      if controller.respond_to? method_name
        controller.send method_name, *args, &block
      else
        super
      end
    end
def method_missing(method_name, *args, &block)
      if controller.respond_to? method_name
        controller.send method_name, *args, &block
      else
        super
      end
    end
useful for path helpers used in event maps