Add gitignore file.
Init module.
models: Add FSOPOAuthToken model to store fsop provided tokens.
admin: Register FSOPOAuthToken model in admin site.
Add FsopStaffNotAllowed exception to be raised if fsop staff tries to login.
utils: Add utility to verify and get fsop user and oauth-token.
backends: Add Django authentication backend to authenticate user using fsop token.
authentication: Add FSOP Authentication class for rest framework.
templates: Add page to display message and redirect to landing page.
views: Add login_view and logout_view to login from fsop and logout user.
urls: Add url dispatchers for both login_view and logout_view.