Cleanup Bat Animation

[jaygarcia]

After finishing the work with the dungeon enemies, Bat needs some love.

• When walking, the animation should be centered and not bob up and down / left and right. Hover is a different story. Hovering is really good atm.
• Using the other dungeon enemies as a model, when the bat dies, it should fall and stay on frame 0 in the direction it was facing.
• It seems that the bat needs to decide to move. quicker.