DRONE UPDATE

Drones now have a frozen effect. Use the ice brush to freeze them. When
a drone is frozen you can jump on it.
Drones now have a burn effect like Drew. Use the fire brush to light
them on fire!
Drones now eat drawings! Draw in front of them to see them eat it!
You no longer die when going out the top of the level. You still die
going out the left, right or bottom.