Added a TexturLoader and Nodes, Sprites and some modifications

src/ei/engine/state/GameStateManager.java

@@ -91,6 +91,11 @@ public class GameStateManager {
 		return false;
 	}
 	
+	/**
+	 * Searches for the given name of a GameState
+	 * @param name The name of the GameState
+	 * @return The index of the GameState
+	 */
 	private int getId(String name){
 		for(int i=0; i<gameStates.size() ;i++){
 			if(gameStates.get(i).getName().equals(name)){