/**
* Create a submit button element.
*
* @param string|null $value The value of the submit button
* @param array $options The options
* @return string
* @param string $value
* @param array $options
* @return string
* @static
*/
public static function submit($value = null, $options = array())
{
return \Bootstrapper\Form::submit($value, $options);
}