Merge "Adds ansible code for iscsid and tgtd containers"

ansible/roles/cinder/tasks/bootstrap.yml

ansible/roles/cinder/tasks/start.yml

ansible/roles/iscsi/defaults/main.yml

ansible/roles/iscsi/tasks/config.yml

ansible/roles/iscsi/tasks/deploy.yml

ansible/roles/iscsi/tasks/main.yml

ansible/roles/iscsi/tasks/pull.yml

ansible/roles/iscsi/tasks/reconfigure.yml

ansible/roles/iscsi/tasks/start.yml

ansible/roles/iscsi/tasks/upgrade.yml

ansible/roles/iscsi/templates/iscsid.json.j2

ansible/roles/iscsi/templates/tgtd.json.j2

ansible/roles/nova/tasks/start_compute.yml