Fix inconsistent color scale
Fix inconsistent color scale

The HSV-to-RGB function had been returning values in the range [0,1].
Now it uses [0,255] to be consistent with the other values returned by
_getColor.

LLK/scratch-vm,TheBrokenRail/scratch-vm,LLK/scratch-vm,LLK/scratch-vm,TheBrokenRail/scratch-vm