0.5.0

New stuff

• oauthlib 0.6.0 support

Backwards incompatible changes in 0.5.0

• backends.py module has been renamed to oauth2_backends.py so you should change your imports whether you're extending this module

Bugfixes

• Issue #54: Auth backend proposal to address #50
• Issue #61: Fix contributing page
• Issue #55: Add support for authenticating confidential client with request body params
• Issue #53: Quote characters in the url query that are safe for Django but not for oauthlib