improve OAuth Source Setup process, fix login template, closes #3

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

@@ -27,6 +27,7 @@
             <tr>
                 <th>{% trans 'Name' %}</th>
                 <th>{% trans 'Class' %}</th>
+                <th>{% trans 'Additional Info' %}</th>
                 <th></th>
             </tr>
         </thead>
@@ -35,6 +36,7 @@
             <tr>
                 <td>{{ source.name }}</td>
                 <td>{{ source|fieldtype }}</td>
+                <td>{{ source.additional_info }}</td>
                 <td>
                     <a class="btn btn-default btn-sm"
                         href="{% url 'passbook_admin:source-update' pk=source.uuid %}?back={{ request.get_full_path }}">{% trans 'Edit' %}</a>