rspec-2.3.0 is released

[David Chelimsky]

rspec-2.3.0 is released (including rspec, rspec-core, rspec-mocks, =
rspec-expecations and rspec-rails).

### rspec-core-2.3.0 / 2010-12-12

[full =
changelog](http://github.com/rspec/rspec-core/compare/v2.2.1...v2.3.0)

* Enhancements
* tell autotest to use "rspec2" if it sees a .rspec file in the =
project's
root directory
* replaces the need for ./autotest/discover.rb, which will not work =
with
all versions of ZenTest and/or autotest
* config.expect_with
* :rspec # =3D> rspec/expectations
* :stdlib # =3D> test/unit/assertions
* :rspec, :stdlib # =3D> both

* Bug fixes
* fix dev Gemfile to work on non-mac-os machines (Lake Denman)
* ensure explicit subject is only eval'd once (Laszlo Bacsi)

### rspec-expectations-2.3.0 / 2010-12-12

[full =
changelog](http://github.com/rspec/rspec-expectations/compare/v2.2.1...v2.=
3.0)

* Enhancements
* diff strings when include matcher fails (Mike Sassak)

### rspec-mocks-2.3.0 / 2010-12-12

[full =
changelog](http://github.com/rspec/rspec-mocks/compare/v2.2.1...v2.3.0)

* Bug fixes=20
* Fix our Marshal extension so that it does not interfere with objects =
that
have their own @mock_proxy instance variable. (Myron Marston)

### rspec-rails-2.3.0 / 2010-12-12

[full =
changelog](http://github.com/rspec/rspec-rails/compare/v2.2.1...v2.3.0)

* Changes
* Generator no longer generates autotest/autodiscover.rb, as it is no =
longer
needed (as of rspec-core-2.3.0)