Localisation updates from https://translatewiki.net.

Change-Id: Ia94d68f9e5fe9616e1cafd00ca31310a562f0f6d
Localisation updates from https://translatewiki.net.

Change-Id: Ic05764ed55912bcffaa1e8ca29f184ae1c555c42
Localisation updates from https://translatewiki.net.

Change-Id: Ic985c3edf753bf883691394a7f1802e8f433929c
Migrate to JSON i18n

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

Change-Id: Ie387f6428decef87afa88bc4145cdcd49697d7ca