Yelp/Testify — pull request #185 by wting (2013-08-30 00:18:00+00:00)
Title: Add requirements.txt

Testify requires a few modules before `make test` will run. In addition, Testify fails with tornado >= 3.0 because `IOLoop.running()` has been [removed](http://www.tornadoweb.org/en/stable/releases/v3.0.0.html?highlight=changes#tornado-ioloop).