public static void logout(String action) {
   GAE.logout(action);
 }
 public static void login(String action) {
   GAE.login(action);
 }
 public static String getEmail() {
   return GAE.getUser().getEmail();
 }
 public static User getUser() {
   return GAE.getUser();
 }
 public static boolean isLoggedIn() {
   return GAE.isLoggedIn();
 }