testing changeset graph walk

playbooks/edx-east/edxapp.yml

+# comment for testing
 - name: Deploy edxapp
   hosts: all
   sudo: True

playbooks/roles/common/tasks/main.yml

+# comment for testing
 ---
 # ubuntu
 - stat: 

playbooks/roles/supervisor/templates/etc/init/supervisor-upstart.conf.j2

+# comment for testing
+
 description     "supervisord"
 
 {% if disable_edx_services and not devstack -%}