Create a domain, projects, users, and roles in keystone

[Rastislav Fukas]

- [x] This doc is inaccurate in this way: ______
[root@esc ~]# openstack domain create --description "An Example Domain" example
openstack: 'domain create --description An Example Domain example' is not an openstack command. See 'openstack --help'.

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Release: on 2017-08-28 16:23:56
SHA: db8a4030003afe789323c2c3cc65a459ec129740
Source: https://git.openstack.org/cgit/openstack/keystone/tree/doc/source/install/keystone-users-rdo.rst
URL: https://docs.openstack.org/keystone/latest/install/keystone-users-rdo.html