change block personcontent to content more consistent with other templates and less need for if-statements

src/Bundle/ChillTaskBundle/Resources/views/SingleTask/index.html.twig

@@ -29,7 +29,7 @@
 
 {% block filtertasks %}
 	{% if person is not null %}
-		{% block personcontent %}
+		{% block content %}
 			<div class="tasks">
 				{% include '@ChillTask/SingleTask/Person/list.html.twig' %}