Updated mediawiki/extensions
Project: mediawiki/extensions/FormelApplet  77d3697a359450e72da71c49692584602e23fa4a

Migrate to JSON i18n

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

Change-Id: Idf6b5bf94f1ec3b6df8365cfe2c87e7792956db6