Update Russian translation

Change-Id: I92f60be95d231a018be29e74ad4fc7b6af20c169
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Merge remote-tracking branch 'origin/release' into stable

Change-Id: I7a8323c935945c69e8a9ea4de0d382641c320e18
German translation for 5.3

Change-Id: I9f98b3d81085ced53837cda00c41136a93197c08
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>