Move the auth context methods into their own file so that we don't have auth trying to import itself

endpoints/registry.py

@@ -2,7 +2,7 @@ import logging
 import json
 
 from flask import (make_response, request, session, Response, redirect,
-                   Blueprint, abort as flask_abort)
+                   Blueprint)
 from functools import wraps
 from datetime import datetime
 from time import time