Quick HotFix for 4.1 — Game Dev Masters Steam update #1027679

This hotfix is coming out pretty quick due to an error in the new milestone score calculations. I would also like to shout out CyberGun our current champ from September season. Like a boss he got right in after the update and found a few small things that were missed. The game is massive and complex, it is very hard for me a lone to find everything when making changes. So, this kind of support means a lot to me. Thank you to him as well as everyone helping out. Fixes -Fixed milestone scoring -Removed long term difficulty setting from difficulty menu -Added a tracker for the new make 5 games milestone -Reduced the engine revenue milestone from 100m to 25m to better align with new balance -Added game scores to main / custom conventions for the list of viable games to help players pick there best ones -Reduced final contract milestone from 100 - 75 to better align with progression -Reduced ...