CC-5172 : errors from setting cues in waveform editor not handled properly

Conflicts:
	airtime_mvc/application/models/Playlist.php

airtime_mvc/application/controllers/PlaylistController.php

@@ -383,6 +383,7 @@ class PlaylistController extends Zend_Controller_Action
                 $this->createUpdateResponse($obj);
             } else {
                 $this->view->cue_error = $response["error"];
+                $this->view->code = $response["type"];
             }
         } catch (PlaylistOutDatedException $e) {
             $this->playlistOutdated($e);