Bug 13804 - Returns via the checkouts tables uses the phrase "Returned" rather than...

Bug 13804 - Returns via the checkouts tables uses the phrase "Returned" rather than "Checked in"

Test plan:
1) Apply this patch
2) Return an item via the checkouts table
3) Note the left most column now reads "Checked in" rather than "Returned"

Followed test plan. Works as expected.
Signed-off-by: Marc Véron <veron@veron.ch>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
(cherry picked from commit d50163786156b4b4eda37addaeeab957961329d7)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>