Ukrainian translation update

Change-Id: If4f44e3d2ea573eb15daf2c4f9a1fc8076ac0b30
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Russian translation update

Change-Id: Ia8c842db08bc3cd04082df8279997e6e2e5908b2
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Update Japanese translations.

Translated on Transifex.com
https://www.transifex.com/projects/p/qtbase/language/ja/

Change-Id: Ie234c8557af23dcc3fe80a1c4204cc2a30f4423d
Done-with: YAMAMOTO Atsushi <atsushi.yamyam@gmail.com>
Reviewed-by: Tasuku Suzuki <stasuku@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>