Updated mediawiki/extensions
Project: mediawiki/extensions/GWToolset  997d0fba9e6bdf117acbc1990df3f5de89e1fd9e

Migrate to JSON i18n

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

Change-Id: Ia6c600c72b622b394baba6c5926eaf50e8ac456d