SaveHabtmUuidableBehavior saveMulti HABTM non-UUID

added, circumventing HABTM issues with string primaryKey which are not UUID (length)

related to:
* https://github.com/cakephp/cakephp/issues/1744
* https://github.com/cakephp/cakephp/issues/2054

	public $actsAs = array(
		'Icing.SaveHabtmUuidableBehavior',
	);