fix upgrade db backward compatibility

library/Class/Users.php

@@ -506,7 +506,6 @@ class Class_Users extends Storm_Model_Abstract {
                                   'id_panier_courant' => 0,
                                   'settings' => '',
                                   'statut' => 0,
-                                  'disable_newsletter' => 0,
                                   'id_int_bib' => null];
 
   public static function currentUserId() {

library/startup.php

@@ -247,7 +247,12 @@ class Bokeh_Engine {
 
 
   public function setupStormObservers() {
-    Class_Journal_StormObserver::register();
+    try {
+      Class_Journal_StormObserver::register();
+    } catch(Exception $e) {
+      // ensure to never block bokeh warmup
+    };
+
     return $this;
   }