BUG

  public String getGravatar() {
    return "http://www.gravatar.com/avatar/"
      + StringUtil.md5hash(email)
      + "?s=150&r=g&d="+URLEncoder.encode("http://www.linux.org.ru/img/p.gif");
  }
 
  public String getEmail() {
    return email;
  }
 
  public boolean hasGravatar() {
    return email!=null;
  }