Don't display login info while impersonating. refs: #2

signon/templates/signon/login.html

@@ -6,6 +6,7 @@
 
 <h1>nm.debian.org login</h1>
 
+{% if not impersonator %}
 {% if not providers_active and not providers_inactive %}
   <p class="lead">
   {% blocktrans %}
@@ -81,6 +82,9 @@
     </ul>
   {% endif %}
 {% endif %}
+{% else %}
+<p class="lead">{% trans "Current login information not displayed while impersonating." %}</p>
+{% endif %}
 
 {% if identities %}
 <h2>{% trans "Identity audit logs" %}</h2>