rspec-rails-2.3.1 is released!

[David_Chelimsky]

### rspec-rails-2.3.1 / 2010-12-16

[full changelog](http://github.com/rspec/rspec-rails/compare/v2.3.0...v2.3.1)

* Bug fixes   * respond_to? correctly handles 2 args   * scaffold generator no longer fails on autotest directory