Commenting map and block related files and some cleaning.

modified:   src/environment/MapGenerator.java
modified:   src/environment/blocks/Block.java
modified:   src/environment/blocks/BlockFactory.java
modified:   src/environment/blocks/ShadowCasterBlock.java
modified:   src/environment/blocks/SpawnBlock.java
	modified: SpawnBlock
		the constructor used to set a color
                which was changed later on, it doesn't
		anymore
Commenting room related files

modified:   src/environment/room/Room.java
Commenting weapon and event related files.

modified:   src/event/Keys.java
modified:   src/item/weapon/LaserRifle.java
modified:   src/item/weapon/Weapon.java
Commenting rendering and light related files
Typo correction

modified:   src/game/GameLoop.java
modified:   src/light/Light.java
modified:   src/light/LightManager.java
modified:   src/light/ShadowBuffer.java
modified:   src/rendering/FBO.java
modified:   src/rendering/Shader.java
modified:   src/rendering/ShadowCaster.java