def find_template(t)
      x = menus[t]
      if x
        return x, Gopher::Rendering::Menu
      end
      x = text_templates[t]
      if x
        return x, Gopher::Rendering::Text
      end
    end
def find_template(t)
      x = menus[t]
      if x
        return x, Gopher::Rendering::Menu
      end
      x = text_templates[t]
      if x
        return x, Gopher::Rendering::Text
      end
    end
find a template
 @param [String/Symbol] t name of the template
 @return template block and the class context it should use