qa: new button to speed up +1

qa/static/views/exercice.html

@@ -38,11 +38,15 @@
         <th ng-repeat="field in fields">
 	  {{ field }}
         </th>
+        <th></th>
       </tr>
     </thead>
     <tbody ng-if="queries.length">
       <tr ng-repeat="(qid, q) in queries" ng-click="showComments(qid)" ng-class="{'bg-warning': qid == query_selected}">
         <td ng-repeat="field in fields" ng-bind-html="q[field]"></td>
+        <td>
+          <button type="button" ng-click="thumbUp(qid)" class="btn btn-sm btn-light"><span class="glyphicon glyphicon-thumbs-up" aria-hidden="true"></span></button>
+        </td>
       </tr>
     </tbody>
     <tbody ng-if="!queries.length">