nxtbgthng/OAuth2Client — pull request #47 by toto (2012-10-17 10:51:17+00:00)
Title: Feature/assertion support

Add support for the `grant_type` `assertion` (read passing along credentials from other services such as Facebook. It is in accordance with [draft 10 spec section 4.1.2](http://tools.ietf.org/html/draft-ietf-oauth-v2-10#section-4.1.3).