Merge pull request #1255 from jzelinskie/wwwauth

v2: always send www-authn headers on unauthorized

endpoints/v2/__init__.py

@@ -30,7 +30,10 @@ def handle_registry_v2_exception(error):
   response = jsonify({
     'errors': [error.as_dict()]
   })
+
   response.status_code = error.http_status_code
+  if response.status_code == 401:
+    response.headers.extend(get_auth_headers())
   logger.debug('sending response: %s', response.get_data())
   return response