Merge pull request #116 from stackhpc/feature/configure_grafana

.gitignore

ansible/group_vars/all/grafana

ansible/overcloud-grafana-configure.yml

ansible/roles/kolla-openstack/templates/grafana.ini.j2

doc/source/deployment.rst

etc/kayobe/grafana.yml

kayobe/cli/commands.py

kayobe/tests/unit/cli/test_commands.py

requirements.yml