Localisation updates from https://translatewiki.net.

Change-Id: I8be90278225a03380f51920dd4f16f8fd6b4cff4
Localisation updates from https://translatewiki.net.

Change-Id: Iab74e2d3001fc96d992f4c8aa018b8f048066541
Localisation updates from https://translatewiki.net.

Change-Id: I59d301f57de86759101eab0eb479197a2a18f578
Migrate to JSON i18n

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

Change-Id: Ibc0182206df9c0e78c12ad98b4dab19631336e8d