Localisation updates from https://translatewiki.net.

Change-Id: I238d132339336c862a546d67e7f40ad092182ac9
Localisation updates from https://translatewiki.net.

Change-Id: Ie126fe2d11a80bfe1ec629dbcc194eb463f1c66f
Localisation updates from https://translatewiki.net.

Change-Id: I20334e74c16af373e7a2e5cf03f384af93a4ae06
Localisation updates from https://translatewiki.net.

Change-Id: If4185f53624292716c823a274101932f9f1d40aa
Migrate to JSON i18n

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

Change-Id: I9607602e8658cb8818e554f750d0548056a16198