Localisation updates from http://translatewiki.net.

Change-Id: Ie61d98fcd62f4e403f26d225465654681d6505cc
Localisation updates from https://translatewiki.net.

Change-Id: Ib6c17ef27ea04bc3c5941943b80b31fe96dbf000
Localisation updates from https://translatewiki.net.

Change-Id: I70e5d2b08cf3cae927a62f4b250271ad5d896770
i18n: remove BOM character

Change-Id: Ide44abe582486d499c99e8c2d2b2b0dbc3cb57df
Localisation updates from https://translatewiki.net.

Change-Id: Ib03a7958277aae49e9eb875a6f9b116366ef5408
Localisation updates from https://translatewiki.net.

Change-Id: I37048915b69833349926a97f73477c580b812675
Migrate to JSON i18n

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

Change-Id: I6a28510a9cc845e9d50ce9f57a5c0ea76e505927