submissions/management/commands/send_refereeing_reminders.py

submissions/managers.py

submissions/views.py

...ail/referees/invite_contributor_to_referee_reminder1.html

...ail/referees/invite_contributor_to_referee_reminder1.json

...il/referees/invite_unregistered_to_referee_reminder1.html

...il/referees/invite_unregistered_to_referee_reminder1.json

templates/email/referees/remind_referee_deadline_1week.html

templates/email/referees/remind_referee_deadline_1week.json