Added screen-capture functionality (press D). Added safeguards to prevent NPE when player.txt, DetailedInfo.txt do not exist. Removed these files from source control.

src/dk/itu/mario/MarioInterface/GamePlay.java

@@ -94,7 +94,8 @@ public class GamePlay implements Serializable {
 			gp = (GamePlay) in.readObject();
 		} catch (Exception e) {
 			// TODO Auto-generated catch block
-			e.printStackTrace();
+			//e.printStackTrace();
+			System.out.println("Unable to read from GamePlay file: " + fileName + ", initializing a new GamePlay instance.");
 		}
 		return gp;
 	}