improve 2019 call for speakers page

src/program/templates/bornhack-2019_call_for_speakers.html

@@ -1 +1,11 @@
-program/templates/bornhack-2019_call_for_speakers.html
+{% extends 'program_base.html' %}
+
+{% block title %}
+Call for Speakers | {{ block.super }}
+{% endblock %}
+
+{% block program_content %}
+
+<h2>Call for Speakers coming eventually!</h2>
+
+{% endblock %}