added interface to hasLoggedIn

code/LanBortalWeb/src/fi/insomnia/bortal/handler/SessionHandler.java

@@ -69,4 +69,8 @@ public class SessionHandler {
         return user;
         return user;
     }
     }
 
 
+    public boolean hasLoggedIn() {
+        throw new UnsupportedOperationException();
+    }
+
 }
 }