Lizard: Added target
Added skipper and animations.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Animated balloon stack.
Added ambient bush.

Just rough. Graphic not final as the sprite sheet work is really sloppy.
More of a proof of concept. Should add sound in the future.
Merge pull request #13 from unholyhen/master

Balloon: Rough animations.