Localisation updates from https://translatewiki.net.

Change-Id: I6e20c75740681f267e73a66042102749c0037a09
Localisation updates from https://translatewiki.net.

Change-Id: Ie944014b78b475173a0b06728ab6950b82525aac
Localisation updates from https://translatewiki.net.

Change-Id: I277d99db0dc6ca67bc0cb9798e7d2866cdd0faac
Localisation updates from https://translatewiki.net.

Change-Id: I709dd9e2cfc6cc9490dd2cb0bb2fc8681d02921f
Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: Ibf089aac18f570da87a24b6c1175ccdbc3c423b7