fix
`Declaration of SerializableBehavior::beforeSave() should be compatible with ModelBehavior::beforeSave(Model $model, $options = Array)`
and
`Declaration of SerializableBehavior::afterSave() should be compatible with ModelBehavior::afterSave(Model $model, $created, $options = Array)`
Merge origin/master

Conflicts:
	Model/Behavior/SerializableBehavior.php