rspec/rspec-core — pull request #1808 by tyler-ball (2014-12-16 22:58:16+00:00)
Title: Refactoring Sandboxing to be in RSpec support

First set of changes for https://github.com/rspec/rspec-core/issues/1798

I moved Sandboxing into [rspec-support](https://github.com/rspec/rspec-support)