Add a talk layout

source/_layouts/default.html.twig

@@ -10,4 +10,5 @@
     <h1>{{ page.title }}</h1>
 
     {% block content %}{% endblock %}
+    {% block content_bottom %}{% endblock %}
 {% endblock %}

source/_layouts/talk.html.twig

@@ -0,0 +1,4 @@
+{% extends 'default' %}
+
+{% block content_bottom %}
+{% endblock %}

source/_talks/sculpin.md

@@ -1,5 +1,4 @@
 ---
 title: Building Static Websites with Sculpin
-layout: default
 ---