control is working (jiaqi's work)
jiaqi had a rebase issue, so his new demopanel with MOUSE-CLICKING
ACTION has been copypasta'ed in.
It works well. The only issue is that weird stuff gets randomly painted
in the empty space around the panel, but that does not affect
playability.
Merge pull request #65 from RoboNickBot/new-control-merge

control is working (jiaqi's work)