Bug 33390: Add links to various system preference descriptions

Bug 33390: Add links to various system preference descriptions

To test:
1. Apply patch and look at the descriptions of the following system preferences. Make sure each link works and makes sense:

DefaultLongOverdueChargeValue
DefaultLongOverdueLostValue and DefaultLongOverdueDays
DefaultLongOverdueSkipLostStatuses
UpdateItemWhenLostFromHoldList

NewItemsDefaultLocation
UpdateItemLocationOnCheckin

SkipHoldTrapOnNotForLoanValue
UpdateNotForLoanStatusOnCheckin
Reference_NFL_Statuses

ItemsDeniedRenewal

Signed-off-by: Catrina <catrina@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>