Localisation updates from https://translatewiki.net.

Change-Id: Ibef2631b1ad5a83d12da41d434ca5af16a825924
Localisation updates from https://translatewiki.net.

Change-Id: I2905f88fdfdb897979a5c859ad2f02abc3fc8a6d
Migrate to JSON i18n

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

Change-Id: Ibcf15254c59b5204a998eb1a2235feda92af6d11