Bug 7408 - Expire holds that have been waiting too long

Bug 7408 - Expire holds that have been waiting too long

If the new syspref ExpireReservesMaxPickUpDelay is enabled,
this will cancel holds that have been waiting for longer than the
number of days specified in the syspref ReservesMaxPickupDelay.

If ExpireReservesMaxPickUpDelayCharge is set, the borrower charged the fee set therein.

Signed-off-by: Ian Walls <koha.sekjal@gmail.com>
Altered circulation.pref to include currency class and [% local_currency %] param