Cleaned the Camera class. Added two isometric related methods. Changed the Level class so it won't need an reference of the Engine. Entity and Sprite now uses floats instead of integers in the render method.
Merge remote-tracking branch 'origin/master'

Conflicts:
	Greywater/src/com/teamsweepy/greywater/engine/Engine.java
	Greywater/src/com/teamsweepy/greywater/entities/components/Entity.java
Cleaned the Camera class. Added two isometric related methods. Changed the Level class so it won't need an reference of the Engine. Entity and Sprite now uses floats instead of integers in the render method.