renamed:    TSG/src/engine/GameEngine.java -> TSG/src/engine/GameLoop.java
	deleted:    TSG/bin/engine/GameEngine.class
	modified:   TSG/bin/entity/Entity.class
	modified:   TSG/bin/ui/Main.class
	modified:   TSG/src/engine/GameLoop.java
	modified:   TSG/src/entity/Entity.java
	modified:   TSG/src/entity/PlayerEntity.java
	modified:   TSG/src/render/Sprite.java
	modified:   TSG/src/ui/Main.java

	TSG/src/engine/GameLogic.java
	TSG/src/engine/GameRenderManager.java
	TSG/src/entity/TestEntity.java
Engine change, new TestEntity

Replaced GameEngine with GameLoop that manages GameLogic and
GameRenderManager; created a simple TestEntity that draws a 100x100 Link
at 0,0.
Variable time step for GameLoop
Merged