Release Name: 2.3.0

Notes:
Test::Unit 2.x - Improved version of Test::Unit bundled in
Ruby 1.8.x.

Ruby 1.9.x bundles minitest not Test::Unit. Test::Unit
bundled in Ruby 1.8.x had not been improved but unbundled
Test::Unit (Test::Unit 2.x) will be improved actively.


Changes:
=== 2.3.0 / 2011-04-17

* 13 enhancements
  * improve Hash key sorting for diff.
  * [#28928] support any characters in declarative style description.
    [Daniel Berger]
  * add Error#location and make #backtrace deprecated.
  * make TestCase#passed? public.
  * add result finished and pass assertion notifications.
  * add TestSuite#passed? public.
  * add XML test runner.
  * add --output-file-descriptor option.
  * measure elapsed time for each test.
  * add --collector option.
  * support test driven test.
    [Haruka Yoshihara]
  * add cleanup hook it runs between after test and before teardown.
  * support recursive collection sort for diff.

* Thanks
  * Daniel Berger
  * Haruka Yoshihara