Localisation updates from http://translatewiki.net.

Change-Id: If40a87fc05929c841f9650f2a508a71306e1c386
Localisation updates from http://translatewiki.net.

Change-Id: Ic9479ed762e679047bceb5b835fc8ae0ce1972c3
Localisation updates from https://translatewiki.net.

Change-Id: Idb7d67e9e80367ad4124b89929bdedaf3fff1356
Localisation updates from https://translatewiki.net.

Change-Id: I3ef502d627d01a18425df5d3d07557e1be394007
Migrate to JSON i18n

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

Change-Id: Ieab4aecd8c69fd869e0c2c95a519815ff7533a3b