It means that the drivers of the BTCC Pessima are Joey Tempest and John Norum, hahahaha. Well, jokes aside, I think it's a misunderstanding. Let's wait a little more.
Ain't Europe, the band, Swedish? Could it be hinting that too, besides the upcoming update (1st Final Countdown video)?
clean up means removing unnecessary files that have not been opted in to compliling updates mean what it's means compile means to merge all the files to one. prepacked means they are planning for packing. they are few more mostly code related. zip means they need to store in a zip file and installer means the update will be shipped.