admin: display important information first

No more useless column, link with theme when possible

admin/static/views/exercice-list.html

@@ -41,7 +41,7 @@
 	  <input type="checkbox" ng-model="exercice.selected">
 	</td>
 	<td ng-repeat="field in fields" ng-click="show(exercice.id)">
-	  {{ exercice[field] }}
+	  {{ exercice[field] | stripHTML }}
 	</td>
 	<td>
 	  <a ng-href="themes/{{ exercice.id_theme }}">{{ themes[exercice.id_theme].name }}</a>

admin/static/views/theme-list.html

@@ -16,7 +16,7 @@
   <tbody>
     <tr ng-repeat="theme in themes | filter: query" ng-click="show(theme.id)">
       <td ng-repeat="field in fields">
-	{{ theme[field] }}
+	{{ theme[field] | stripHTML }}
       </td>
     </tr>
   </tbody>

admin/static/views/theme.html

@@ -35,7 +35,7 @@
       <tbody>
 	<tr ng-repeat="exercice in exercices | filter: query" ng-click="show(exercice.id)">
 	  <td ng-repeat="field in fields">
-	    {{ exercice[field] }}
+	    {{ exercice[field] | stripHTML }}
 	  </td>
 	</tr>
       </tbody>