Public test builds

[Violet CLM]

This is a central list of ongoing public tests of potential JJ2+ fixes/features, which will hopefully improve discoverability and engagement. If you have thoughts about individual public tests, please reply to those individual threads, not this one.

Standing and stomping on one-pixel-thick masks (https://www.jazz2online.com/jcf/showthread.php?p=495079#post495079)
Folders in the Home-Cooked Levels menu (https://www.jazz2online.com/jcf/showthread.php?p=495228#post495228)
Easier double jump physics (https://www.jazz2online.com/jcf/showthread.php?t=20543)
Incorrect function signatures in AngelScript modules (https://www.jazz2online.com/jcf/showthread.php?p=495396#post495396)
Don't force system colors
Display your own Message of the Day strings (to make sure there aren't display issues)
Controllers may be used to return to the main menu while viewing a demo/macro