Exec tachikoma update 20140919222509

:hamster::hamster::hamster: <br /> <br /> Strategy none<br /> Requested by @masayukitanaka<br /> Powered by <a href="http://tachikoma.io/?utm_source=github&utm_medium=pull_request&utm_campaign=build5918856786923046202">Tachikoma.io</a>