readded auth code as part of the core

auth/__init__.py

auth/auth_systems/.gitignore

auth/auth_systems/__init__.py

auth/auth_systems/cas.py

auth/auth_systems/facebook.py

auth/auth_systems/facebookclient/__init__.py

auth/auth_systems/facebookclient/djangofb/__init__.py

...uth_systems/facebookclient/djangofb/context_processors.py

...h_systems/facebookclient/djangofb/default_app/__init__.py

...uth_systems/facebookclient/djangofb/default_app/models.py

...facebookclient/djangofb/default_app/templates/canvas.fbml

.../auth_systems/facebookclient/djangofb/default_app/urls.py

...auth_systems/facebookclient/djangofb/default_app/views.py

auth/auth_systems/facebookclient/djangofb/models.py

auth/auth_systems/facebookclient/webappfb.py

auth/auth_systems/facebookclient/wsgi.py

auth/auth_systems/google.py

auth/auth_systems/live.py

auth/auth_systems/oauthclient/README

auth/auth_systems/oauthclient/__init__.py