Catalan language is not only spoken in Spain (ca_ES), but also
in Andorra, France and Italy. In Andorra it is the official
language.
(see http://en.wikipedia.org/wiki/Catalan_language#Geographic_distribution)
Add a bunch of symlinks to between ca_ES and ca_AD, ca_FR and ca_IT.
PR: conf/92541
Submitted by: <rmh@io.debian.net>
MFC after: 1 week
