Add transfer controller and model, remove database model and transfer responsabilities

controllers/internals/User.php

@@ -126,6 +126,16 @@ namespace controllers\internals;
             return $this->model_user->get_by_email($email);
         }
 
+        /**
+         * Return users by transfer status.
+         *
+         * @param bool $transfer : transfer status
+         */
+        public function gets_by_transfer($transfer)
+        {
+            return $this->model_user->get_by_transfer($transfer);
+        }
+
         /**
          * Cette fonction met à jour une série de users.
          *