airbnb/rendr-app-template — pull request #40 by c089 (2013-07-23 13:36:47+00:00)
Title: enable functional testing of the express app

* don't start server if index.js is require()'d
* expose the express app object

this allows to require() the index.js file to run tests against it on ephemeral
ports (as done by supertest and chai-http)