Updated mediawiki/extensions
Project: mediawiki/extensions/LanguageSelector  129856f0a85e55e1f8bf7fea4f84fdd18bde686f

Migrate to JSON i18n

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

Change-Id: I30579eaec4b94504c62254ffa70a53a721fb35df