l10n: fr.po (2257t) update for version 2.1.0

Signed-off-by: Jean-Noel Avila <jn.avila@free.fr>
l10n: Add Catalan translation

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
po/TEAMS: Add Catalan team

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>