Bug 16460 [1] add a few subfields to MARC21 bibs and auth files.

I have updated translation files for marc21 project [2] with this

new subfields.

If you finish translation then tomorrow you can find

translated files in the usual place [3]

Regards

Bernardo

[1] https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16460

[2] http://translate.koha-community.org/projects/marc21/

[3] http://translate.koha-community.org/files/