Updated mediawiki/extensions
Project: mediawiki/extensions/PageDisqus  4b99f48b3babe954e50201976cf49f78d564b7b7

Migrate to JSON i18n

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

Change-Id: Ibc825e7c43f39a0a0ffb70665b822bdff959123d