Localisation updates from https://translatewiki.net.

Change-Id: I897c302d0aaba4aa54cb930c432c92863d1068de
Localisation updates from https://translatewiki.net.

Change-Id: I871973dbd3c8c63f629133c281c036ebc4ae05b7
Localisation updates from https://translatewiki.net.

Change-Id: I946400271e6f56499beec47cf72bb1282ff04ddd
Localisation updates from https://translatewiki.net.

Change-Id: I7d968a33ab31effce93a855bb432a43d5c7a5521
Migrate to JSON i18n

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

Change-Id: Ie496bd8b0ac5d4ea495de0eb1c120f9641e2dcfe