hwi/HWIOAuthBundle — pull request #452 by broncha (2013-12-16 10:51:58+00:00)
Title: fix incoming redirects from facebook app center

Facebook requires the `redirect_uri` parameters to be same while requesting `authorization code` and `access token`. The `uri` from app center contains 2 extra parameters `fb_source` and `fb_appcenter` that must be present in the `redirect_uri` while requesting `access_token`