Install OpenStack services in openstackinstallguide

[Hidekazu Nakamura]

- [x] This doc is inaccurate in this way:

Minimal deployment for Stein needs Placement service installation.
Because Placement service installation is removed in nova installation since Stein.

-----------------------------------
Release: on 2019-06-03 16:33:19
SHA: 1e0e60eec36e07eff7773598ecec685470f56e7f
Source: https://opendev.org/openstack/openstack-manuals/src/doc/install-guide/source/openstack-services.rst
URL: https://docs.openstack.org/install-guide/openstack-services.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/663478

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/663478
Committed: https://git.openstack.org/cgit/openstack/openstack-manuals/commit/?id=4b01c6cba00dab980cd031e3978cc15218bddebd
Submitter: Zuul
Branch: master

commit 4b01c6cba00dab980cd031e3978cc15218bddebd
Author: Hidekazu Nakamura <email address hidden>
Date: Thu Jun 6 02:24:28 2019 +0000

    Add Placement service to Minimal deployment for Stein

    Placement service installation is removed in nova installation since Stein.
    This patch adds Placement service to Minimal deployment for Stein.

    Change-Id: Ia91d2abe303ce18f9eb392ca4db2be64df79e1d6
    Closes-Bug: #1831822