Squashed commit of the following:

commit c383b8b2a0be25760f65c36bf63af4553b75a5bc
Author: hiroyuki-w <hiroyuki.w.webmail@gmail.com>
Date:   Wed Jun 4 21:49:08 2014 +0900

    test

commit c450cf3a1f06155866e5c49975faf1922f6ae014
Author: hiroyuki-w <hiroyuki.w.webmail@gmail.com>
Date:   Wed Jun 4 21:48:12 2014 +0900

    aa