rspec-core-2.2.1 is released!

### rspec-core-2.2.1 / 2010-11-28

[full changelog](Comparing v2.2.0...master · rspec/rspec-core · GitHub)

* Bug fixes   * alias_method instead of override Kernel#method_missing (John Wilger)   * changed --autotest to --tty in generated command (MIKAMI Yoshiyuki)   * revert change to debugger (had introduced conflict with Rails)     * also restored --debugger/-debug option