Updated mediawiki/extensions
Project: mediawiki/extensions/RT  f4ae35693e09919efbda96b9d0b1dd0eee866916

Migrate to JSON i18n

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

Change-Id: I67827a88930d7333a37c60030d447f49f9408305