oauth-js v0.9.9

This branch is forked from https://github.com/ciaranj/node-oauth.

The last integration is based on the latest commit 45a983e6dc059f8283da646bf33dec37a46c4aa3 at 2012-11-25.

Install: npm install oauth-js

This branch fixes the defects below.

0.9.9 Fix the oauth_token parameter issue. In some 2-legged server, the oauth_token parameter is also required even it is empty.