Add disclaimer.

templates/base.html

@@ -59,6 +59,7 @@
 
     <div class="menu">
         {% block footer %}{% endblock %}
+	<span class="notify">Update from 2011.11.21 allows multiple meetings scheduled on the same day. Old polls can look distorted.</span><br /><br />
 	<span class="notify">{% trans "Nuages is brought to you by" %} <a href="http://www.domainepublic.net">Domaine Public</a></span>
     </div>