[gnome-shell] Add "persistence" server capability

[Marina Zhurakhinskaya <marinaz src gnome org>]

commit 66f6fff54e04bed5ca666bd1e17986b0f61965b0
Author: Marina Zhurakhinskaya <marinaz redhat com>
Date:   Fri Oct 8 22:34:04 2010 -0400

    Add "persistence" server capability
    
    This will allow clients to determine that the server has notification persistence.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=631722

 js/ui/notificationDaemon.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/notificationDaemon.js b/js/ui/notificationDaemon.js
index 87f07cd..bb37bfd 100644
--- a/js/ui/notificationDaemon.js
+++ b/js/ui/notificationDaemon.js
@@ -325,6 +325,7 @@ NotificationDaemon.prototype = {
             'body-markup',
             // 'icon-multi',
             'icon-static',
+            'persistence',
             // 'sound',
             'x-gnome-icon-buttons'
         ];