Merge "Update heat base Dockerfile to include footers"

docker/heat/heat-base/Dockerfile.j2

@@ -29,3 +29,6 @@ COPY extend_start.sh /usr/local/bin/kolla_extend_start
 RUN usermod -a -G kolla heat \
     && touch /usr/local/bin/kolla_heat_extend_start \
     && chmod 755 /usr/local/bin/kolla_extend_start /usr/local/bin/kolla_heat_extend_start
+
+{% block heat_base_footer %}{% endblock %}
+{% block footer %}{% endblock %}