Localisation updates from https://translatewiki.net.

Change-Id: Ifdd73433b6731091651544bd7500def4bdb35991
Localisation updates from https://translatewiki.net.

Change-Id: I9812bf388f9392f3808824a6a91edc39c78bd01f
Migrate to JSON i18n

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

Change-Id: I179367e08e009c3a6bcdbbcaee7110ce11bcce43
Localisation updates from https://translatewiki.net.

Change-Id: I4f814f6743c6bb7be567fc35c0b3c02b8ec5edc0