Updated mediawiki/extensions
Project: mediawiki/extensions/RefreshSpecial  31bf4900322cc45725f88465b9314c70bb9decac

Migrate to JSON i18n

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

Change-Id: Ifa010f1701ecefa75ea1fec1c1948b0b104de9b1