make org unit settings for exempting patron groups from deposits and rental fees visible

[Galen Charlton]

There are references in the code to two org unit settings for specifying patron groups that should be exempt from item deposit or rental fees:

circ.rental.exempt_groups
circ.deposit.exempt_groups

However, neither OU setting is present in the seed data, so this feature can't be used unless you (a) happen to know about the OU settings and (b) eschew the library settings editor in favor of directly updating config.org_unit_setting_type and actor.org_unit_setting.

Evergreen master

[Galen Charlton (gmc)]

A patch is available in the working/Evergreen repository in the user/gmcharlt/lp1205426_expose_rental_deposit_exemption_option branch.

I'm not slapping a pullrequest on this yet, however, since for it to actually be useful, the Library Settings Editor needs to be taught how to handle the array datatype for OU settings correctly.