Merge pull request #1519 from edx/derf/update_notifier_supervisor_config

these environment vars should strip whitespace

playbooks/roles/notifier/templates/edx/app/supervisor/conf.d/notifier-celery-workers.conf.j2

@@ -26,7 +26,7 @@ stderr_logfile_maxbytes=1MB
 stderr_logfile_backups=10
 stderr_capture_maxbytes=1MB
 environment=PID='/var/tmp/notifier-celery-workers.pid',LANG=en_US.UTF-8,
-{% do notifier_env_vars.update(NOTIFIER_ENV_EXTRA) %}
+{%- do notifier_env_vars.update(NOTIFIER_ENV_EXTRA) -%}
 {%- for name,value in notifier_env_vars.items() -%}
 {%- if value -%}{{name}}="{{value}}"{%- if not loop.last -%},{%- endif -%}{%- endif -%}
 {%- endfor -%}

playbooks/roles/notifier/templates/edx/app/supervisor/conf.d/notifier-scheduler.conf.j2

@@ -26,7 +26,7 @@ stderr_logfile_maxbytes=1MB
 stderr_logfile_backups=10
 stderr_capture_maxbytes=1MB
 environment=PID='/var/tmp/notifier-scheduler.pid',LANG=en_US.UTF-8,
-{% do notifier_env_vars.update(NOTIFIER_ENV_EXTRA) %}
+{%- do notifier_env_vars.update(NOTIFIER_ENV_EXTRA) -%}
 {%- for name,value in notifier_env_vars.items() -%}
 {%- if value -%}{{name}}="{{value}}"{%- if not loop.last -%},{%- endif -%}{%- endif -%}
 {%- endfor -%}