Jempcorp/MediaWiki — comment on commit df3096e0c17e95949b9a9216c30a08c2c72fffd5
File: extensions/piggyback/Piggyback.php line 14
By Jempcorp:

Wiki Utilities was a copy of the Wikia Utilites group - because this extension is now available online, it is not part of the copy anymore.