[enh] better handling of date for full-picture

templates/sections/full-picture.html

@@ -5,7 +5,7 @@
             <div class="picture-text-column">
                 <h1>{{ section.text.title }}</h1>
                 <h2>{{ section.text.sub_title }}</h2>
-                <div class="datetime">{{ section.text.date }}</div>
+                {% if section.text.date %}<div class="datetime">{{ section.text.date.strftime("%d %B %Y") }}</div>{% endif %}
             </div>
         </div>
     {% endif %}