Log Message:
Update mail/ruby-mail package to 2.3.0.

== Tue Apr 26 09:59:56 UTC 2011 Mikel Lindsaar <mikel@rubyx.com>

* Remove ActiveSupport from the dependencies, load Active Support if present, or \ 
use internals if not
* Created v2.2 branch for all 2.2 related commits
* Update activesupport require to use inflector - closes #217
* Version bump to 2.3 and gem release