Bug 24083: Required atomic updates & DB update
This patch adds:
- An "UnseenRenewals" circulation syspref that enables/disables the
functionality added in this bug
- Add unseen_renewals_allowed to circulation_rules
- A change to the issues & old_issues table schemas and corresponding
database upgrades to add issues.unseen_renewals &
old_issues.unseen_renewals
Signed-off-by: Sally Healey <sally.Healey@cheshirewestandchester.gov.uk>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>