Merge pull request #2931 from torvitas/master

contrib/network-storage/heketi/README.md

contrib/network-storage/heketi/heketi-tear-down.yml

contrib/network-storage/heketi/heketi.yml

contrib/network-storage/heketi/inventory.yml.sample

contrib/network-storage/heketi/requirements.txt

contrib/network-storage/heketi/roles/prepare/tasks/main.yml

.../network-storage/heketi/roles/provision/defaults/main.yml

.../network-storage/heketi/roles/provision/handlers/main.yml

...etwork-storage/heketi/roles/provision/tasks/bootstrap.yml

...storage/heketi/roles/provision/tasks/bootstrap/deploy.yml

...torage/heketi/roles/provision/tasks/bootstrap/storage.yml

...rage/heketi/roles/provision/tasks/bootstrap/tear-down.yml

...orage/heketi/roles/provision/tasks/bootstrap/topology.yml

...torage/heketi/roles/provision/tasks/bootstrap/volumes.yml

.../network-storage/heketi/roles/provision/tasks/cleanup.yml

...etwork-storage/heketi/roles/provision/tasks/glusterfs.yml

...-storage/heketi/roles/provision/tasks/glusterfs/label.yml

...b/network-storage/heketi/roles/provision/tasks/heketi.yml

...rib/network-storage/heketi/roles/provision/tasks/main.yml

...b/network-storage/heketi/roles/provision/tasks/secret.yml