Permission::normalize

static function normalize(array $source)
{
	$map = self::getMap();
	$result = [];
	
	foreach ($map as $entity => $actions)
	{
		foreach ($actions as $action => $permission)
		{
			if (isset($source[$entity][$action]))
			{
				$result[$entity][$action] = $source[$entity][$action];
			} else
			{
				$result[$entity][$action] = self::PERMISSION_NONE;
			}
		}
	}
	
	return $result;
}