rails/rails — pull request #14026 by sferik (2014-02-12 11:58:33+00:00)
Title: Update Travis settings for Rubinius

Specific `rbx-2` to limit testing on Rubinius 2.x (since there will be other versions of Rubinius > 2.x soon).

Also, as of Rubinius 2.2.5, it is no longer necessary to bundle the `rubysl` gem.