Localisation updates from http://translatewiki.net.

Change-Id: Ifd9e070d454fd3e44453101364bb235aaea512ae
Localisation updates from https://translatewiki.net.

Change-Id: I1b7a6895d673941fbd0b28f27446c8827cc543f3
Localisation updates from https://translatewiki.net.

Change-Id: I92cbcd4e67fcdad7771c9d4abd768e454692e00a
Localisation updates from https://translatewiki.net.

Change-Id: I0b6226f5f82097f76660645f90490989d3115bd1
Migrate to JSON i18n

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

Change-Id: Idf6b5bf94f1ec3b6df8365cfe2c87e7792956db6