Log Message:
Update ruby-oauth to 0.4.4.

=== 0.4.4 2010-10-31

* Fix LoadError rescue in tests: return can't be used in this context
  (Hans de G raaff)
* HTTP headers should be strings. (seancribbs)
* ensure consumer uri gets set back to original config even if an error occurs
  (Brian Finney)
* Yahoo uses & to split records in OAuth headers (Brian Finney)
* Added support for Rails 3 in client/action_controller_request (Pelle)