Add nick to person view.

ticdesk_org/templates/ticdesk_org/person.html

@@ -3,7 +3,7 @@
 
 {% block person_content %}
  {% if person %}
-  <h2>{{ person.cn }}</h2>
+  <h2>{{ person.cn }} <small>{{ person.uid }}</small></h2>
   <p>
    <a href="{% url 'org:edit_user_by_uid' person.uid %}">
     {% blocktrans %}Benutzer editieren{% endblocktrans %}