admin: set invitation’s created_by properly, remove edit of invite

passbook/admin/templates/administration/invitation/list.html

@@ -17,18 +17,17 @@
   <table class="table table-striped table-bordered">
     <thead>
       <tr>
-        <th>{% trans 'Name' %}</th>
-        <th>{% trans 'Provider' %}</th>
+        <th>{% trans 'Expiry' %}</th>
+        <th>{% trans 'Link' %}</th>
         <th></th>
       </tr>
     </thead>
     <tbody>
       {% for invitation in object_list %}
         <tr>
-          <td>{{ invitation.name }}</td>
-          <td>{{ invitation.provider }}</td>
+          <td>{{ invitation.expires|default:"Never" }}</td>
+          <td><pre>test</pre></td>
           <td>
-            <a class="btn btn-default btn-sm" href="{% url 'passbook_admin:invitation-update' pk=invitation.uuid %}?back={{ request.get_full_path }}">{% trans 'Edit' %}</a>
             <a class="btn btn-default btn-sm" href="{% url 'passbook_admin:invitation-delete' pk=invitation.uuid %}?back={{ request.get_full_path }}">{% trans 'Delete' %}</a>
           </td>
         </tr>