Merge pull request #632 from EreMaijala/save-statuses

Don't try to check save statuses if the user is not logged in.

themes/bootstrap3/js/check_save_statuses.js

-/*global htmlEncode, VuFind */
+/*global htmlEncode, VuFind, userIsLoggedIn */
 
 function checkSaveStatuses(container) {
+  if (!userIsLoggedIn) {
+    return;
+  }
   if (typeof(container) == 'undefined') {
     container = $('body');
   }