Allow disabling CB in crisis time

eboutic/templates/eboutic/eboutic_makecommand.jinja

@@ -28,12 +28,14 @@
         <tbody>
     </table>
     <p><strong>Total: </strong>{{ basket.get_total() }} €</p>
+    {% if settings.SITH_EBOUTIC_CB_ENABLED %}
     <form method="post" action="{{ settings.SITH_EBOUTIC_ET_URL }}">
         {% for (field_name,field_value) in et_request.items() -%}
         <input type="hidden" name="{{ field_name }}" value="{{ field_value }}">
         {% endfor %}
         <input type="submit" value="{% trans %}Pay with credit card{% endtrans %}" />
     </form>
+    {% endif %}
     {% if basket.items.filter(type_id=settings.SITH_COUNTER_PRODUCTTYPE_REFILLING).exists() %}
     <p>{% trans %}AE account payment disabled because your basket contains refilling items.{% endtrans %}</p>
     {% else %}