message: Change some errors to go to stderr.
  These non-fatal errors violated GTP protocol.
diff: @@ -23,9 +23,9 @@ LOGGING_PROJECT = os.environ.get('LOGGING_PROJECT', '')
  def configure(project=LOGGING_PROJECT):
  if not project:
  - print('!! Error: The $LOGGING_PROJECT enviroment '
  + sys.stderr.write('!! Error: The $LOGGING_PROJECT enviroment '
  'variable is required in order to set up cloud logging. '
  - 'Cloud logging is disabled.')
  + 'Cloud logging is disabled.\n')
  return
  logging.basicConfig(level=logging.INFO)
  @@ -35,4 +35,4 @@ def configure(project=LOGGING_PROJECT):
  client = glog.Client(project)
  client.setup_logging(logging.INFO)
  except:
  - print('!! Cloud logging disabled')
  + sys.stderr.write('!! Cloud logging disabled\n')
  