edx/configuration — pull request #1461 by fmyzjs (2014-08-22 11:00:14+00:00)
Title: add open-ended-message to XQUEUE_QUEUES

due to [openendedchild.py#L79](https://github.com/edx/edx-platform/blob/master/common/lib/xmodule/xmodule/open_ended_grading_classes/openendedchild.py#L79)

I add open-ended-message to XQUEUE_QUEUES