Update www/rails to 2.3.9.

Update www/rails to 2.3.9.

* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Add LICENSE.
* Ajust new ruby package's framework.
* Update dependency according to gemspec.

*2.3.9 (September 4, 2010)*

* Deprecates config.load_(once_)paths in favor of autolaod_(once_)paths. [fxn]

*2.3.8 (May 24, 2010)*

* Version bump.

*2.3.7 (May 24, 2010)*

* Version bump.

*2.3.6 (May 23, 2010)*

* Added config/initializers/cookie_verification_secret.rb with an auto-generated secret for using ActionController::Base#cookies.signed [DHH]

* Fixed that the debugger wouldn't go into IRB mode because of left-over ARGVs [DHH]