/**
  * Activate the customers account using the given token
  * @param $token
  * @return bool|string
  */
 public function activateAccount($token)
 {
     if ($token == '') {
         return 'No valid auth token received.';
     }
     $custMdl = new CustomerModel();
     $result = $custMdl->tokenActivate($token);
     if ($result == 0 || $result == false) {
         return 'Failed to activate the account using the given token.<br/>The token may have expired.';
     }
     return true;
 }