Bug 16696: Rename 'Publisher' to 'Publication details' on detail and result lists

Bug 16696: Rename 'Publisher' to 'Publication details' on detail and result lists

To test:
1) Do a catalog search in staff client
2) Confirm 'Publisher' says 'Publication details' for each result in search
3) Click on a record to go to the detail page
4) Confirm 'Publisher' says 'Publication details'
5) Click the Items tab on the left
6) Confirm 'Publisher' says 'Publication details'
7) Do a search in the OPAC
8) Confirm 'Publisher' says 'Published' for each result in search
9) Click on a record to go to the detail page and switch to the items tab
10) Confirm 'Publisher' says 'Publication details' on top of the page

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>