New implementation of the project cleanup based on the sdk.project_cleanup.
It is implemented as an additional OSC operation and will ideally obsolete the 
`openstack project purge` giving flexibility to extend services support, 
parallelization, filters, etc.

Change-Id: Ie08877f182379f73e5ec5ad4daaf84b3092c829c

Add support for Neutron address group CRUD operations. Subsequent patches
will be added to use address groups in security group rules.

Change-Id: I3c313fc9329837dde67815901528a34dca98ebcc
Implements: blueprint address-groups-in-sg-rules
Depends-On: https://review.opendev.org/738274
Depends-On: https://review.opendev.org/745594

This change adds a new 'openstack server evacuate' command to provide
parity with the 'nova evacuate' command. The term "evacuate" is
notoriously poor, in that it implies the instance is moved rather than
recreated, but it is retained since people are familiar with it now.

Change-Id: I1e32ca51036c501862d8e89b3144a9695d98a06f

Add ``openstack server migration list`` to fetch server migrations.

Part of blueprint add-user-id-field-to-the-migrations-table

Change-Id: I15b4a5aca8d0dee59dd293e7b1c7272cdfbeea20

$namespace = openstack.image.v{1|2}

The subcommand documents for $namespace were hardcoded and thus prone to
drift over time. This commit removes the hardcoded content and uses the
autoprogram-cliff directive to generate them automatically from the
subcommand configuration classes.

Some reorganization happened here. The `image` subcommand name is shared
by image v1 and v2. Previously the hardcoded document had them combined
and interleaved. Attempting to preserve this with autoprogram-cliff
would have required significant additional infrastructure. However,
since most readers care completely about one and not at all about the
other, we instead split the v1 and v2 versions of these commands into
separate pages. In case links to the old pages exist in the wild, they
are preserved, but moved (with redirects) to a hidden directory, and
populated simply with links to the new version-specific generated
documents.

Change-Id: I24dc6dc10671c7f1267c27002542f61f8a3c18ae

$namespace = openstack.identity.v{2|3}

The subcommand documents for $namespace were hardcoded and thus prone to
drift over time. This commit removes the hardcoded content and uses the
autoprogram-cliff directive to generate them automatically from the
subcommand configuration classes.

Special things:

- Some reorganization happened here. Certain subcommand names, such as
  `endpoint` and `project`, are shared by identify v2 and v3. Previously
  the hardcoded documents had them combined and interleaved. Attempting
  to preserve this with autoprogram-cliff would have required
  significant additional infrastructure. However, since most readers
  care completely about one and not at all about the other, we instead
  split the v2 and v3 versions of these commands into separate pages. In
  case links to the old pages exist in the wild, they are preserved, but
  moved (with redirects) to a hidden directory, and populated simply
  with links to the new version-specific generated documents.

- The `federation domain` and `federation project` subcommands were
  previously absent from the docs. They are added. These are such small
  commands and they seem related, so they're put into a single document.

- Some pages were already being generated but were listing operations
  individually instead of using wildcards (possibly because they were
  created before wildcarding was supported by cliff). These are changed
  to use wildcarding. (We want to do this wherever possible as it is
  more future-proof in the event that more operations are added to a
  subcommand later.)

- The `service provider` document was incorrectly titled `identity
  provider`. Fixed.

Change-Id: I2030f9fe370038c5908b6eb6bed9692a73fe5067

This patch adds the --immutable and --no-immutable option to the
role, project and domain CLI.

Related-Patch: https://review.opendev.org/#/c/712182/

Change-Id: I9c3bdd741f28bf558267fb217818d947597ce13e

User options [1] can be set by making POST and PATCH
request for /v3/users API calls but cannot by openstack
CLI because of no user options defined in create and update
user CLI [2]. This patch adds the user options [1] in
create user and update user CLI.

[1] https://docs.openstack.org/keystone/latest/admin/resource-options.html#multi-factor-auth-rules
[2] https://docs.openstack.org/api-ref/identity/v3/#create-user

Change-Id: I4e41bae2e8cfbe92d52b14d856991bedcd44164f