Showdown Works

Losing Reloads the scene
Winning proceeds to next scene
Merge https://github.com/JohnMai/WhiteSharks
Chapter 4 Fixes

Scaling
Speed
Position
Also minor DDoor fix.
Merge https://github.com/JohnMai/WhiteSharks
Merge pull request #364 from Kiroshima/master

Chapter 4 Scene Setups