Test plan:
0) Apply the patch and restart memcached + koha-common services if
needed
1) Go to adminitration -> Configure columns and confirm there is new
table configuration with id=account-fines in Patrons section available
2) play with table setting to ensure it works as expected
3) go to to boraccount page for some patron with both fines - payed and
owed
4) Note there is new button "Columns visibility" in top paginator panel,
try to use it
5) Play with the datatable, sort filter and so on
Signed-off-by: Radek Šiman <rbit@rbit.cz> Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com> Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>