Updated mediawiki/extensions
Project: mediawiki/extensions/LinkedWiki  d8da9f6ff470104e19370aa12718b203b959ebc6

Migrate to JSON i18n

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

Change-Id: Icd9656ff4a3683247592de832a0f7e15642d6d02