Updated openstack/openstack
Project: openstack-dev/devstack  d98770ca391b9f70c8f4b8161ac20336788fd3d0
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Fix typos and thinkos in docs

Updates for the new major features and some clarification

Partial-Bug: #1235626

Change-Id: If2da63e62a14894e498b4163b5052d9b2b2069ed