issue 463: add delete button on draft periods page

src/Bundle/ChillPersonBundle/Resources/views/AccompanyingPeriod/user_draft_periods_list.html.twig

@@ -5,6 +5,12 @@
 {% block title %}{{ 'My accompanying periods in draft'|trans }}{% endblock title %}
 
 {% macro recordAction(period) %}
+    {% if is_granted('CHILL_PERSON_ACCOMPANYING_PERIOD_DELETE', period) %}
+        <li>
+            <a href="{{ path('chill_person_accompanying_course_delete', {'accompanying_period_id': period.id }) }}"
+               class="btn btn-delete" title="{{ 'Delete'|trans }}"></a>
+        </li>
+    {% endif %}
     <li>
         <a href="{{ path('chill_person_accompanying_course_index', { 'accompanying_period_id': period.id }) }}"
         class="btn btn-show" title="{{ 'See accompanying period'|trans }}"></a>