OpenStack Foundation started serving project mascots files on
openstack.org. This commit adds URLs to those files as chart icons for
OpenStack projects.
Change-Id: I2482174cd1d9a0f32df91d7d81974a0dc37f5c4d
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
