Localisation updates from https://translatewiki.net.

Change-Id: I4761713b82448d76ec975b417fdd3f8f22763231
Localisation updates from https://translatewiki.net.

Change-Id: Ie2687eee88195fe09ee26f6e11066b2d736568c6
Migrate to JSON i18n

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

Change-Id: Ib567983047ed408ee0ee23924cd846f4b2440335
Localisation updates from https://translatewiki.net.

Change-Id: I09ac0c306d8db2a6f72e10a396ffbae2e375ba02