LP#705693 Check Number in Bill History

LP#705693 Check Number in Bill History

Adds the check number field to the Bill History payment grids
(hidden by default).

To test:
1. Bill patron and apply a check payment with a check number
2. Go to Bills->History->Payments and note check number is not
   an option (drop-down on top-right of grid shows the list)
3. Right-click the payment line->Full Details->Details and note
   check number is not an option on the bottom payments grid
4. Apply patch (may need to clear cache especially on Firefox)
5. Repeat steps 2-3 and note check number is an available option

Signed-off-by: Dan Briem <dbriem@wlsmail.org>