Comment 21 for bug 1793374

Reviewed: https://review.openstack.org/627844
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=9bc2b8875d8c2bba6038185a68bfce05afdb36e2
Submitter: Zuul
Branch: master

commit 9bc2b8875d8c2bba6038185a68bfce05afdb36e2
Author: Colleen Murphy <email address hidden>
Date: Fri Dec 21 11:16:49 2018 -0800

    Fix nits in code blocks in federation guide

    Fix inconsistent indentation of code-blocks, ensure shell samples
    correctly differentiate betweeen root-required commands and non-root
    commands in accordance with the openstack-manuals recommendations[1],
    and use proper markup for interactive shell examples.

    [1] http://git.openstack.org/cgit/openstack/openstack-manuals/tree/doc/common/conventions.rst

    Partial-bug: #1793374

    Change-Id: Ia9e5280d131e1aa50af41aff6155eb07954b7d15