Update oauth support for rails 3 version of oauth plugin

app/controllers/application_controller.rb

@@ -106,7 +106,7 @@ class ApplicationController < ActionController::Base
   # is optional.
   def setup_user_auth
     # try and setup using OAuth
-    if oauthenticate
+    if Authenticator.new(self, [:token]).allow?
       @user = current_token.user
     else
       username, passwd = get_auth_data # parse from headers
@@ -358,4 +358,8 @@ private
     return [user, pass] 
   end 
 
+  # override to stop oauth plugin sending errors
+  def invalid_oauth_response
+  end
+
 end