fixed a string quotation error and a handler bug

playbooks/edx-west/stage-worker.yml

@@ -7,7 +7,7 @@
     # this indicates the path to site-specific (with precedence)
     # things like nginx template files
     secure_dir: ../../../edx-secret/ansible
-    local_dir: {{secure_dir}}/local
+    local_dir: "{{secure_dir}}/local"
     migrate_db: "no"
   vars_files:
     - "{{ secure_dir }}/vars/edxapp_stage_vars.yml"

playbooks/roles/certificates/handlers/main.yml

 - name: certifier | restart certificate-agent
-  supervisorctl: name=certifier-certificate-agent state=restarted
+  supervisorctl: name=certificate-agent state=restarted