sf4, adding workflow and fix errors for task bundle

Resources/views/SingleTask/index.html.twig

@@ -31,7 +31,8 @@
 
 
 {# filter tasks #}
-
+{% block filtertasks %}{#
+    sf4 check: prevent error message: `A block definition cannot be nested under non-capturing nodes.` #}
 {% if person is not null %}
     {% block personcontent %}
         {% include 'ChillTaskBundle:SingleTask:_list.html.twig' %}
@@ -43,3 +44,4 @@
         </div>
     {% endblock %}
 {% endif %}
+{% endblock %}