Add counters on detail pages

closes #3416

Author: Gsantomaggio

deps/rabbitmq_management/priv/www/js/tmpl/queue.ejs

@@ -130,7 +130,7 @@
       </tr>
       <% if(queue.consumers) { %>
       <tr>
-        <th>Consumers%></th>
+        <th>Consumers></th>
         <td><%= fmt_string(queue.consumers) %></td>
       </tr>
       <% } else if(queue.hasOwnProperty('consumer_details')) { %>