Update cinder config files permissions

The /etc/cinder/*.conf|*.ini files and directories are world readable.
This may lead to sensitive information leakage and cloud compromise.

Set cinder config files permissions to 0640.
Set cinder config files owner and group to root:cinder.

Change-Id: I0f5c2b4df01efdced5d21dd2b1db694413330dea
Related-Prod: PROD-22089, PROD-22091
2 files changed