Changing license header, again!

appengine/auth_service/main_backend.py

 # Copyright 2014 The LUCI Authors. All rights reserved.
-# Use of this source code is governed by the Apache v2.0 license that can be
-# found in the LICENSE file.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
 
 """This modules is imported by AppEngine and defines the 'app' object.
 
 It is a separate file so that application bootstrapping code like ereporter2,
 that shouldn't be done in unit tests, can be done safely. This file must be
 tested via a smoke test.
 """
 
 import os
 import sys
 
 APP_DIR = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, os.path.join(APP_DIR, 'components', 'third_party'))
 
 from components import ereporter2
 from components import utils
 
 import handlers_backend
 
 
 def create_application():
   ereporter2.register_formatter()
   return handlers_backend.create_application(False)
 
 
 app = create_application()