added the 4th option to traffic lights

src/main/java/se/su/dsv/scipro/checklists/panels/TrafficLightPanel.java

@@ -64,6 +64,10 @@ public class TrafficLightPanel extends Panel {
 					image = new StaticImage("image", new Model<String>(
 					"images/icons/yellow_ball_32.png"));
 				}
+				else if (stateOfMind.equals(StateOfMind.NOTAPLICABLE)) {
+					image = new StaticImage("image", new Model<String>(
+					"images/icons/grey_ball_32.png"));
+				}
 				item.add(image);
 			};
 		};

src/main/java/se/su/dsv/scipro/data/enums/StateOfMind.java

@@ -10,7 +10,8 @@ package se.su.dsv.scipro.data.enums;
 public enum StateOfMind {
     NEEDHELP(0, "Need Help", "You think you need help to proceed or you are unsure of what to do next.", "som-needhelp"), 
     NEUTRAL(1, "Neutral", "This is the default option and signals that you don't have a clear standpoint on your status but no imminent help is needed.", "som-neutral"), 
-    FINE(2, "Everything is fine", "This means your work proceeds as planned and that no issues regarding the continuation are on the horizon.", "som-fine");
+    FINE(2, "Everything is fine", "This means your work proceeds as planned and that no issues regarding the continuation are on the horizon.", "som-fine"),
+    NOTAPLICABLE(3, "moo", "moo","som-moo");
 
     private int value;
     private String status;