Added cloud movement.
Merge remote-tracking branch 'origin/sprite-design'
Tiling sky gradient.
Merge remote-tracking branch 'origin/sprite-design'
Merge remote-tracking branch 'origin/sprite-design'
Added alt pig :D
Added cloud spawner, crates and concave corners.
Merge branch 'sprite-design'

Conflicts:
	Assets/Materials/SkyGradient.mat
	Assets/Scripts/CloudSpawner.cs
	Assets/Sprites/Characters/PinkPig.png
	Assets/main.unity
Added moving platform :3
Merge branch 'sprite-design' of https://github.com/conradfay/game-dev-spring-2014