Localisation updates from http://translatewiki.net.

Change-Id: Ib83ccb5781d54d77f846d25d47db0c858c08d138
Localisation updates from https://translatewiki.net.

Change-Id: Ifbd6217c3aebdfc20fa58062aa18e8054b869e79
Localisation updates from https://translatewiki.net.

Change-Id: Ib5905d3d3b9f45be4ed8b17fd974530b5ba7f909
Migrate to JSON i18n

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

Change-Id: I65882eacef9b4de57c722e95c8155e4a29ae9f93
Localisation updates from https://translatewiki.net.

Change-Id: I1d1d5cef031595eda6b6da185918586e6d68be6a