Updated openstack/openstack
Project: openstack-dev/devstack  8e285072c9b6f9cee4568cc882001f87e51d3c24
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Fix shocco errors and warnings

A few Markdown-oriented issues were causing Docutils errors to
leak into the end-user docs on http://devstack.org

Change-Id: I51fa9698afb1bfb48596478d83bd1fdcd84ac52e