ZF2-344: Form's FormElementErrors view helper doesn't accept attributes

Description

Zend\Form\View\Helper\FormElementErrors doesn't accept attributes;

public function render(ElementInterface $element, array $attributes = array()) { ...

public function __invoke(ElementInterface $element) { return $this->render($element); }

Comments

The FormElementErrors now accepts attributes, which get applied to the "$messageOpenFormat" property:

https://github.com/zendframework/zf2/…