Updaed clear tile method to use the isLiving property setter method so
that the tile is properly rotated about the z-axis before being reset to
the 'dead' color, made a temporary fix for the general HUD collapsing
and expanding too shortly after when the speed is all the way up
Fix for smart menu when the algorithm speed is at it highest
Merge branch 'master' of http://github.com/gregoryklein/GameOfLife