Migrating from 3.5.2 to 3.6.0

Backup database and files

BACKUP. YOUR. DATABASE. AND. FILES.

Fixes and tweaks

Superuser:

• Fixed management command devilry_periodsetrelatedstudents overriding the active field on relatedusers.

• Management command devilry_subjectadd now supports the created subject being added to multiple permission groups.

• Tweaks to devilry_delete_inactive_users and devilry_delete_periods management commands.

Update devilry to 3.6.0

Update the devilry version to 3.6.0 as described in Update Devilry.