heroku/heroku-pipeline — pull request #13 by miknight (2014-03-12 02:41:13+00:00)
Title: Switch to using MultiJson instead of OkJson.

The Heroku toolbelt has deprecated the use of OkJson: https://github.com/heroku/heroku/commit/817b6ba85cc5fe3189c3b7e1cf7667d502b11397