Update translation changes

Danish, German, Spanish, Finnish, French, Norwegian, Polish, Slovak, and
Swedish.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Update po files without translation changes

This is just tracking the changes caused by the updated .pot file - the
translations are unchanged. Adding this to git will make it easier to spot
differences closer to the 3.1 release.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>