バグ修正
Merge branch 'master' of https://github.com/goldrush/goldrush
Merge branch 'master' of https://github.com/goldrush/goldrush

 2cc859711c02eeb6a922aa058939d8c9f3e3bc73.
Merge branch 'master' of https://github.com/goldrush/goldrush
Merge pull request #63 from qtamaki/master

プルして