rspec-core 2.7.1 is released!

rspec-core 2.7.1 is released!

### rspec-core-2.7.1 / 2011-10-20

[full changelog](http://github.com/rspec/rspec-core/compare/v2.7.0...v2.7.1)

* Bug fixes
  * tell autotest the correct place to find the rspec executable