Use runestone as appname

* there should be a better way to configure this

Author: bnmnetp

runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html

@@ -4,7 +4,7 @@
 {% extends "basic/layout.html" %}
 
 {% if dynamic_pages == 'True' %}
-  {% set appname = '{{ request.application }}' %}
+  {% set appname = 'runestone' %}
 {% endif %}