Show team and repo badges on README
Show team and repo badges on README

This patch adds the team's and repository's badges to the README file.
The motivation behind this is to communicate the project status and
features at first glance.

For more information about this effort, please read this email thread:

http://lists.openstack.org/pipermail/openstack-dev/2016-October/105562.html

To see an example of how this would look like check:

https://gist.github.com/854c85f8d3b84ba02cab0c7ba2ebd029

Change-Id: Iad3cfc220f6a65869a573df131ec143bf0f88b0e

openstack/openstack-ansible-galera_client,openstack/openstack-ansible-galera_client