Cache menus by login. Commit ready for merge.

 - Legacy-Id: 19831

Author: rjsparks

ietf/templates/base/menu.html

@@ -1,6 +1,7 @@
 {# Copyright The IETF Trust 2015-2019, All Rights Reserved #}{% load origin %}{% origin %}
-{% load ietf_filters managed_groups wg_menu active_groups_menu group_filters %}
+{% load ietf_filters managed_groups wg_menu active_groups_menu group_filters cache %}
 
+{% cache 600 menus request.user.username %}{% got_touched %}
 {% if flavor != "top" %}
   {% include "base/menu_user.html" %}
 {% endif %}
@@ -163,4 +164,5 @@
 
 {% if flavor == "top" %}
   {% include "base/menu_user.html" %}
-{% endif %}
+{% endif %}
+{% endcache %}