Enh 6887: Add 'checked out from' column to issued items display tables

Enh 6887: Add 'checked out from' column to issued items display tables

Adds "checked out from" column to the right of "checked out on" on both
circ/circulation.pl and members/moremembers.pl.  Columns are sortable with tablesort
(though only on circ/circulation.pl if syspref enabled).

The branch name is sourced from issues.branchcode.

EDIT BY Owen Leonard: Adjusting table columns which are sorted by default
to accommodate the new column.

Things look good! Thanks!

Signed-off-by: Nicole C. Engard <nengard@bywatersolutions.com>
Signed-off-by: Liz Rea <lrea@nekls.org>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>