Bug 17602: OPAC integration of RecordedBooks

Bug 17602: OPAC integration of RecordedBooks

Add RecordedBooks to the users page in the public interface

To Test:
1/ Apply all 3 patches
2/ Set the sysprefs to valid values (you will need a test account with RecordedBooks)
3/ Try a search
4/ Login to the OPAC, try to place a hold, or check an item out
5/ Check the opac-user page, see if your items are showing on the oneclickdigital tab

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>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>