Correct pre-supervisor location.

playbooks/roles/supervisor/tasks/main.yml

@@ -105,7 +105,7 @@
 # on instance startup.
 - name: create pre_supervisor upstart job
   template: >
-    src=etc/initpre_supervisor.conf.j2 dest=/etc/init/pre_supervisor.conf
+    src=etc/init/pre_supervisor.conf.j2 dest=/etc/init/pre_supervisor.conf
     owner=root group=root
   when: supervisor_service == "supervisor" and disable_edx_services and not devstack