Bug 26327: Include transacting library in fines

Bug 26327: Include transacting library in fines

This patch introduces a new column on the fines table to display the
checkout library when the fine is tied to a checkout.

To test:
1. Have an overdue item that generated a fee
2. Look at the 'Accounting' tab, 'Make a payment'
=> FAIL: There's no information about the library
3. Apply this patch
4. Restart all
5. Reload and repeat 2
=> SUCCESS: There's a column with the library name!
6. Identify the issue_id for the mentioned checkout and:
   $ koha-mysql kohadev
   > UPDATE old_issues SET branchcode='TOM' WHERE issue_id=11;
  (i.e. set the branchcode to an invalid value, to emulate a deleted
   branch).
7. Reload
=> SUCCESS: It doesn't explode, it doesn't display a library name.
8. Sign off :-D

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