Squashed commit of the following:

commit 3602d325f3c83a4360f68e6d80ec3e9773768d51
Author: hykw <hykw1234@gmail.com>
Date:   Sun Jul 13 21:34:55 2014 +0900

    edit

commit f5cd33b430e61345b4209c7c61cb31a6ac0c98b0
Author: hykw <hykw1234@gmail.com>
Date:   Sun Jul 13 21:34:39 2014 +0900

    add