add delete buttons

+ update libs

templates/add_klasse_form.hbs

@@ -5,12 +5,14 @@
     <th>Klasse</th>
     <th>Titel</th>
     <th>Priorität</th>
+    <th>Operation</th>
   </tr>
   {{#each klassen}}
   <tr>
     <td>{{ this.stufe }}{{this.gruppe}}</td>
     <td>{{this.titel}}</td>
     <td>{{this.ordnung}}</td>
+    <td><a href="/admin/delete/klasse/{{this.klassen_id}}">löschen</a></td>
   </tr>
   {{/each}}
 </table>

templates/add_stunde_form.hbs

@@ -5,12 +5,14 @@
         <th>Name</th>
         <th>Abkürzung</th>
         <th>Priorität</th>
+        <th>Operation</th>
     </tr>
     {{#each stunden}}
     <tr>
         <td>{{ this.title }}</td>
         <td>{{this.short}}</td>
         <td>{{this.ordinal}}</td>
+        <td><a href="/admin/delete/stunde/{{this.stunden_id}}">löschen</a></td>
     </tr>
     {{/each}}
 </table>