Removing a couple of deprecated call-time pass-by-references

Author: tombenner

core/controllers/mvc_controller.php

@@ -140,7 +140,7 @@ public function set_object() {
 		}
 		if (!empty($object)) {
 			$this->set('object', $object);
-			MvcObjectRegistry::add_object($this->model->name, &$this->object);
+			MvcObjectRegistry::add_object($this->model->name, $this->object);
 			return true;
 		}
 		MvcError::warning('Object not found.');

core/loaders/mvc_loader.php

@@ -217,7 +217,7 @@ protected function load_models() {
 			$this->model_names[] = $model;
 			$model_class = MvcInflector::camelize($model);
 			$model_instance = new $model_class();
-			MvcModelRegistry::add_model($model, &$model_instance);
+			MvcModelRegistry::add_model($model, $model_instance);
 		}
 
 	}