fix admin logout

astakos/im/admin/templates/admin_base.html

@@ -15,7 +15,7 @@
     <a href="{% url astakos.im.admin.views.invitations_list %}">Invitations</a>
   </li>
   <li{% ifequal tab "logout" %} class="active"{% endifequal %}>
-    <a href="{% url django.contrib.auth.views.logout %}">Logout</a>
+    <a href="{% url astakos.im.views.logout %}">Logout</a>
   </li>
 </ul>
 {% endblock %}