Updated mediawiki/extensions
Project: mediawiki/extensions/MarkAsHelpful  49e16dd6be85c1d69bdfe818a87511e52ab71178

Migrate to JSON i18n

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

Change-Id: I501f15b389b8991d59b5e685e6ae1f5c3c919e90