Merged [3601] from rjsparks@nostrum.com:

Marked area directors who are not on the current IESG with square brackets on the discuss summary page.
Fixes bug 666
 - Legacy-Id: 3608
Note: SVN reference [3601] has been migrated to Git commit 6a1caf8

Author: levkowetz

ietf/templates/iesg/discusses.html

@@ -61,8 +61,8 @@ <h1>IESG Discuss Positions</h1>
 {% include "idrfc/status_columns.html" %}
 <td class="ad">{{ doc.ad_name|default:"" }}</td>
 <td>
-{% for po in doc.ietf_process.iesg_ballot.get_discuss %}
-{{po.ad_name}} ({% if po.discuss_date %}{{po.discuss_date|timesince_days}}{%endif%} days ago{% if doc.is_id_wrapper %}{% ifnotequal po.discuss_revision doc.latest_revision %} for -{{po.discuss_revision}}{% endifnotequal %}{% endif %})<br/>
+{% for po in doc.ietf_process.iesg_ballot.get_discuss|dictsort:"is_old_ad" %}
+{%if po.is_old_ad %}[{%endif%}{{po.ad_name}}{%if po.is_old_ad %}]{%endif%} ({% if po.discuss_date %}{{po.discuss_date|timesince_days}}{%endif%} days ago{% if doc.is_id_wrapper %}{% ifnotequal po.discuss_revision doc.latest_revision %} for -{{po.discuss_revision}}{% endifnotequal %}{% endif %})<br/>
 {% endfor %}
 </td>
 </tr>