SocioQuiz/socio_quiz — pull request #17 by yuchan (2014-10-12 15:40:57+00:00)
Title: add heroku button

I added heroku button.
heroku button creates socioquiz heroku app automatically.

see [this blog post](https://blog.heroku.com/archives/2014/8/7/heroku-button) of heroku blog.