Erkännande för QuickInstantCommons

This extension is primarily written by Brian Wolff.

It makes liberal use of code from MediaWiki. Please see https://raw.githubusercontent.com/wikimedia/mediawiki/master/CREDITS for MediaWiki's credits.

In particular, we use modified versions of ForeignAPIRepo, ForeignAPIFile and MultiHttpClient from MediaWiki, which are licensed under the GPLv2.