TrivialFix: Some Chart.yaml's have permission 755; this patchset changes
that to 644 and be consistent with other yaml files.
Change-Id: I6453f91f0cd22330259bf24be9d4c331f2769ec2
This PS updates the chart.yaml to be consistent across the repo, and
changes the description to make clear that they are the OpenStack-Helm
derived versions of the charts while using `helm search`.
Change-Id: Iac3cfd2cddba7130b28a65c3d353712c8a3aa02b