RockBot 2

3/12/2020

Thanks to Yama Droid for the bug reporting.
Fix destrin rain of bombs exploding on the ceiling.
Fix invalid AI state that made enemies to stop moving.
Fly-to-Player was not changing directions to face him.
Dash effect was not updating when changing directions.
Removed teleport left by mistake on Spike's stage.
Fix error in map-collision old-point using wrong Y.