Bug 10609: Use branch name rather than branch code in serials-collection.pl (3.12.x)

Bug 10609: Use branch name rather than branch code in serials-collection.pl (3.12.x)

This is the 3.12.x compatible version of the patch for 10609.

Regards
To+

Sponsored-by: Universidad Nacional de Cordoba
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Serial collection page now displays the branch description
instead of the branchcode.

Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>