Move font-pillar into its own css file

So we can easily link it from attract/flamenco/etc

src/templates/layout.jade

@@ -48,6 +48,7 @@ html(lang="en")
 		| {% block head %}{% endblock %}
 
 		| {% block css %}
+		link(href="{{ url_for('static_pillar', filename='assets/css/font-pillar.css', v=040820161) }}", rel="stylesheet")
 		| {% if title == 'blog' %}
 		link(href="{{ url_for('static_pillar', filename='assets/css/blog.css', v=040820161) }}", rel="stylesheet")
 		| {% else %}