Updated openstack/openstack
Project: openstack/trove  e3b761240e2dc6c26a68fd81ce380f874fd601c4
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Edits on help strings

Fixes include rework of text, missing or extra spaces, wrong
capitalization and no sentence style capitalization.

Change-Id: If3d981d1736583b38328eeca5cc392fe10a7a0d0