Update Finnish translation of qtbase and qtdeclarative

This contains translations by me, Aki Koskinen and
the following others from whom I have permission to commit this to Qt.

Change-Id: I94d6f39f75003ab971a58e05c767420f89b8ac6d
Originally-by: Jiri Grönroos <jiri.gronroos@iki.fi>
Originally-by: Jorma Karvonen <karvonen.jorma@gmail.com>
Originally-by: Kim Enkovaara <kim.enkovaara@iki.fi>
Originally-by: Mikko Ikola <ikola@iki.fi>
Originally-by: Niklas Laxström <niklas.laxstrom+kdetrans@gmail.com>
Originally-by: Santtu Pajukanta <santtu@pajukanta.fi>
Originally-by: Teemu Rytilahti <tpr@iki.fi>
Originally-by: Tommi Nieminen <translator@legisign.org>
Reviewed-by: Aki Koskinen <qt@akikoskinen.info>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>