Attribution for background image.

Author: deanberris

libs/network/doc/templates/layout.html

@@ -96,5 +96,6 @@ <h3>You are here:</h3>
 {% block footer %}
   <div class="footer">
       documentation automatically generated by <a href="http://sphinx.pocoo.org">Sphinx</a> | style mostly stolen from <a href="http://lettuce.it">lettuce.it</a>
+      | background image attributed to <a href="http://www.flickr.com/photos/OrangeSmell">OrangeSmell</a>
   </div>
 {% endblock %}