Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  894d9c8fbab2a5e291ee4f932529ea6d86927778

ResourceLoader Module for serving json based localization messages

ApiULSLocalization is still present since we have to provide live
language preview feature.

Moved the loading of json file to includes/JsonMessageLoader.php

Also moved all RL modules to includes folder.

Bug: 56509
Change-Id: Ic39dec1c484982fb07edd167e83794c0b5f470ee