euscanwww: Improved query for aggregating handler's data

Signed-off-by: volpino <fox91@anche.no>

euscanwww/djeuscan/templates/euscan/statistics.html

@@ -58,8 +58,8 @@
     {% for handler in handlers %}
       <tr>
         <td>
-	  <a href="{% url "statistics_handler" handler.handler %}">
-	    {{ handler.handler }}
+          <a href="{% url "statistics_handler" handler.handler %}">
+            {{ handler.handler }}
           </a>
         </td>
         <td>{{ handler.n }}</td>