Squashed commit of the following:

commit 1a315de9463b19b840ad2248377e52b506c66f29
Author: in_dow <in_dow@hotmail.com>
Date:   Tue Apr 29 00:34:27 2014 +0900

    Fix unmatched version

commit 11215b8cfa34439dda28b1dd819e4a424bf92be1
Author: in_dow <in_dow@hotmail.com>
Date:   Mon Apr 28 23:57:46 2014 +0900

    Fix build tool version