intridea/oauth2 — pull request #86 by mandrews (2012-01-13 23:26:03+00:00)
Title: Add client credentials grant type

Allows a client to use client_id and client_secret to obtain a non refreshable access token:
http://tools.ietf.org/html/draft-ietf-oauth-v2-15#section-4.4

Test coverage
master:
428 / 436 LOC (98.17%) covered.
client_credentials:
469 / 477 LOC (98.32%) covered.