zendframework/zf2 — pull request #4370 by noopable (2013-05-01 12:14:14+00:00)
Title: Patch remove aware element prepare aware interface

relative to #3818
```php
$di = new \Zend\Di\Di;
$element = $di->get('Zend\Form\Form');
```
raise
'Zend\Di\Exception\RuntimeException' with message 'Invalid instantiator of type "NULL" for "Zend\Form\FormInterface".

In standard di settings with RuntimeDefinition, the ElementPrepareAwareInterface::prepareElement 's parameter is marked as required. Di try to resolve it but can't find an intended instance.