Log Message:
Update ruby-activesupport3 package to 3.0.4.

* 3.0.4 updates version only for Ruby on Rails 3.0.4 update.

*Rails 3.0.3 (November 16, 2010)*

* No changes.

*Rails 3.0.2 (November 15, 2010)*

* Added before_remove_const callback to \ 
ActiveSupport::Dependencies.remove_unloadable_constants! [Andrew White]