initial addition of readability app
Import readability from api
cleared some dead space in settings/base, and made manage.py executable
Added basic ReadabilityUser class
added readability api urls
basic function for get_request_token based on requests_oauthlib
added get_access_token(), which implements the first state of OAuth
authentication
Added access_token and access_secret, as well as verifier to
readability.models
pull in the dev-readability branch