Localisation updates from http://translatewiki.net.

Change-Id: I13bc34ef42ecc634a876eb87a4944a7cd4220c96
Reviewed-on: https://gerrit.wikimedia.org/r/50502
Reviewed-by: L10n-bot <l10n-bot@translatewiki.net>
Tested-by: L10n-bot <l10n-bot@translatewiki.net>