Estonian translation

Sent via email, so even with full SOB...

Signed-off-by: Peep Krusberg <Peep.Krusberg@eesti.ee>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Add Chinese (Taiwan) translation

Signed-of-by: Chih, Kunhui <kunhui.chih@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Estonian update

From Transifex

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Fix compilation on hipp