Localisation updates from https://translatewiki.net.

Change-Id: I3f0b457579f8ac63f8f0ee4935cadfd1d62a8e01
Localisation updates from https://translatewiki.net.

Change-Id: I234a531cda5ce99bbbe8f5c78aa9292d10e6d588
Localisation updates from https://translatewiki.net.

Change-Id: I72aef70275cc93367f405bce244e3da2f47d8f85
Localisation updates from https://translatewiki.net.

Change-Id: Ifb9fc03834f74f3b672b277889d3345a0d3072d0
Migrate to JSON i18n

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

Change-Id: I5f7b19f7233c9ed25ab9d40d699719c09fea7ff6