====== jQuery 1.5 ======
  * http://blog.jquery.com/2011/01/31/jquery-15-released/
  * http://blog.jquery.com/2011/02/24/jquery-151-released/

===== Ajax 모듈의 변화 =====

1.5.1 에서 옵션 더 추가됨.

===== Deferred Objects =====

===== jQuery.sub() =====