Resolve "Add support for group notes"

Closes #68 (closed)

aleksis/apps/alsijil/templates/alsijil/print/full_register.html

@@ -301,6 +301,7 @@
         <th>{% trans 'Subj.' %}</th>
         <th>{% trans 'Lesson topic' %}</th>
         <th>{% trans 'Homework' %}</th>
+        <th>{% trans 'Group note' %}</th>
         <th>{% trans 'Notes' %}</th>
         <th>{% trans 'Te.' %}</th>
       </tr>
@@ -340,6 +341,7 @@
                 {% endif %}
               </td>
               <td class="lesson-homework">{{ documentations.0.homework }}</td>
+              <td class="lesson-group-note">{{ documentations.0.group_note }}</td>
               <td class="lesson-notes">
                 {% for note in notes %}
                   {% if note.absent %}