web permission system updated

web/templates/pages/admin/permissions/permissions.html

@@ -13,6 +13,8 @@
     <div class="actions"><a href="/admin">← Admin panel</a></div>
   </section>
 
+  {% if page.updated %}<p class="notice">Authorization updated. The current session remains valid and all subsequent requests use the new policy.</p>{% endif %}
+
   {% if page.can_manage_roles %}
   <section class="panel">
     <h2>Data roles</h2>