Bug 2696: Fine payments should show what was paid for

Bug 2696: Fine payments should show what was paid for

Test Plan:
1) Apply this patch and its' dependencies
2) Create and pay some various fees and fines
3) View the payments for fees, and fees paid by payments by
   using the new 'Details' button available on boraccount.pl

Signed-off-by: Lee Jamison <ldjamison@marywood.edu>
Running updatedatabase.pl after patch application makes dependencies
happy. Passes QA Tools and works as intended.

Rebased (2017-12-21): Alex Arnaud <alex.arnaud@biblibre.com>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Bug 2696: (QA follow-up) - Remove use of GetMember

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>