Update locales
Update Copyright for 2013

We programmers have a nice new years tradition: We revisit all of
our projects and add 1 to a small number near a "(c)".

-- Volker Dusch
https://twitter.com/__edorian/status/153801913442373633
Ensure UTF-8 source encoding
Update Changelog for v3.4.0
Bump version to v3.4.0