added all Notifications for the model view communication

added all required notifications with their content and getter methods.

Projekte/mdga/model/src/main/java/pp.mdga/notification/TskUnselectNotification.java

@@ -0,0 +1,24 @@
+package pp.mdga.notification;
+
+import pp.mdga.game.Color;
+
+public class TskUnselectNotification extends Notification{
+
+    private Color color;
+
+    /**
+     * Constructor
+     * @param color
+     */
+    TskUnselectNotification(Color color){
+        this.color = color;
+    }
+
+    /**
+     * Get the color
+     * @return color
+     */
+    public Color getColor() {
+        return color;
+    }
+}