Did some cleanup of module001-ch006-overview-horizon-cli

added a space between list and command
added space between name and for
added space between flavor and for
added a space between resize and command
added space between create and command

Change-Id: I07c00046c43a76bdb18e8a24adefeaf342e34c29
Fix incorrect sample of neutron port-update

neutron port-update requires positional argument <port-uuid>
instead of <subnet-uuid>

Change-Id: Ibf7f37ee88ff218958a39da804deee0ec0f195b3
Closes-Bug: 1271788
Merge "Did some cleanup of module001-ch006-overview-horizon-cli"
Fixes a typo in the Cinder install guide

Change-Id: I16006a85115659e8cd5b893bac55cb23e7731218
Merge "Fix incorrect sample of neutron port-update"