Updated openstack/openstack
Project: openstack/trove  b54e1a6d24dbccfb5ec445e75a7f05acc40540f6
null
Corrects help messages in cfg.py

Reasons:
- Few typos.
- Help message sentences not ending with a full-stop(.).

Changes:
- Typos corrected.
- . added to end-of-sentences in help messages.

Change-Id: I29f0d266c9b87d9bf90cd15084ef02699532d79e
Closes-Bug: #1272020