Bug 23916: Record and display item issuer

Bug 23916: Record and display item issuer

This patch adds the recording and display of the item issuer. This
behaviour is governed by the RecordIssuer syspref, if disabled (the
default), no recording or display of issuer will take place.

Signed-off-by: Ben Veasey <B.T.Veasey@lboro.ac.uk>
Signed-off-by: Bouzid Fergani <bouzid.fergani@inlibro.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>