Added floor to Humpty level.
Merge branch 'master' of https://github.com/jokigenki/Foxtrot

# By Tim Frost
# Via Tim Frost
* 'master' of https://github.com/jokigenki/Foxtrot:
  Added Dot Matrix actor for game completion

Conflicts:
	behavior-hx/Design_397_397_BallPM.hx