Localisation updates from http://translatewiki.net.

Change-Id: I9541271151a27618ce8e112147762d3a6abc3089
Localisation updates from https://translatewiki.net.

Change-Id: I67208caf6e041296bb3ee257a9ee114e45fb4b7b
Localisation updates from https://translatewiki.net.

Change-Id: Icc57bd2aa36d1c93d6039c9631ca22a9676f4a12
Add COPYING

Change-Id: Ifb583502a9da31eb58ccdb8f5f0a2762e89c0995
Migrate to JSON i18n

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

Change-Id: Ie0e7f9f1a8732e6c59775aae4fc8f4954c32ebc1