voxdolo/decent_exposure — pull request #104 by jonallured (2013-12-18 00:10:16+00:00)
Title: Fix Travis error by removing Rubinius version

I've been annoyed with my erroring Travis builds, so I did a little research today and found this:
https://github.com/travis-ci/travis-ci/issues/1641

So, this should fix your rbx build too.