Updated mediawiki/extensions
Project: mediawiki/extensions/Negref  77ca1a5adebd5f010204faab56623e7f5427ca81

Migrate to JSON i18n

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

Change-Id: I8e4576e3af99c03d219f6172cf13757ce93fd16b