Localisation updates from https://translatewiki.net.

Change-Id: I3d55333c93d04d9dac445c021775728c408248f3
Localisation updates from https://translatewiki.net.

Change-Id: I83ca28dcab866c79aeb23225d046fa14ada32dbf
Localisation updates from https://translatewiki.net.

Change-Id: I447cc410cd0d243c518ea13e0c4d4a53895bb08d
Localisation updates from https://translatewiki.net.

Change-Id: I82a3b9b7132e6bcfa975e18ffc82c6cfb147a1df
Migrate to JSON i18n

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

Change-Id: I5d353a26afd4727093ce97bedb600dc3672c9fb2