Breton translation update

l10n
#1

Hello,
As the RC1 is coming, here is the latest sdf file of the Drouizig works.

To be commited, please.
Thanks,
Denis

#2

Hello Denis,

There was no attachment in your mail. Anyway, please send an URL
instead. I'll take care of it. You are really in the last minute for
RC1, so please send it ASAP.

Thanks,
Andras