Changes to cinderclient to use microversions.

Implements: blueprint api-microversion-support-for-cinderclient
api-microversion-support-for-cinderclient

Change-Id: I840a1162b88e8ff36fa3fc4e1d6b9317104df3e0

Add support for Cinder API /v3 endpoint.
A couple of unit tests for /v3 endpoint were added to v3/test_shell.py
to ensure that the v3 shell works, and to also test that modules work
with:
from cinderclient.v2.availability_zones import *
syntax.

Change-Id: I6ae0ada221bebb4ab1850d9c99b10fcbb585201f
Implements: https://blueprints.launchpad.net/python-cinderclient/+spec/add-v3-endpoint-support

Adjusted conditional statements to use instanceof when
comparing variables. Instanceof supports inheritance type
checking better than type.

Change-Id: I449f3df92b3646c384de717b7d53f7f85258c449

In output of cinder show command, below fields contains extra 'u'
character being unicode:
1. volume_image_metadata
2. metadata

In output of "cinder credentials", below field contains extra 'u'
1. roles

In output of "cinder qos-create", below field contains extra 'u'
1. specs

In output of "cinder qos-list", below field contains extra 'u'
1. specs

In output of "cinder extra-specs-list", below field contains extra 'u'
1. extra_specs

In output of "cinder qos-show", below field contains extra 'u'
1. specs

Change-Id: I8be32f117ddc29b087ee872ff065c175dd70b372
Closes-Bug: #1538413
Closes-Bug: #1538415

With oslo-incubator being deprecated, move
our use of strutils to oslo_utils.

This leaves in place the use of oslo-incubator's
strutils by other oslo-incubator modules for now.

Change-Id: Ic4e50060b42aeca9d1e54424a8a3a123140fbf2a

_format_servers_list_networks method is not used anywhere.
It's safe to delete it.

We'ge got the same cinderclient.openstack.common.apiclient.HookableMixin
class so we don't need to duplicate it in the utils

Change-Id: Ifa7f5c1d00c1673811af48575460e6563d2d3180

This patch proposes the following changes
to the 'available' volume:
* Add the --lock-volume flag to cinder migrate
The default value is False, which means the migration is aborted
if the owner of the volume issues commands like attach
or detach during the volume migration. The volume will be in
'available' during migration.
If it is set to True, the migration of this volume will not be
aborted by other commands. The volume will be in 'maintenance'
during migration.

* List migration status for all the volumes
The attribute migration_status will be listed, if the request
is issued by an admin. Otherwise, the migration_status will not
be listed. The option migration_status is added for the admin
to filter the volumes returned via 'cinder list' command.

DocImpact
APIImpact

Partial-implements: blueprint migration-improvement
Change-Id: I5a1a717d1d08f550b45836d958a51f1f3fba5ced
Depends-On: Ia86421f2d6fce61dcfeb073f8e7b9c9dde517373

The table doesn't display right when there are multiple line in
result data. Fixes this by replace "\r" with " ".

Change-Id: I0b994466f3c65ea973e80d9f03ca9a248147d49d
Closes-bug: #1476462

The 'name' field for some resources is called something different,
for example 'display_name' for volumes, 'name' for  volumes type.
So class 'resource' has attribute 'NAME_ATTR' wich contains
attribute name for different resources.

This change removes reduntant call find in resource manager, instead
of it checks NAME_ATTR value.

Related-Bug: #1449444
Change-Id: Ide334d7535c73cbdff72c30319eb539d8f5304d6

Removed duplicate manager.find method call using search argument
display_name that affected any command that searches for a volume by
display_name or any command that searches for non existent volumes.

Change-Id: I86c99b41dd231b058ed3f6d5d78eafe35a111dec
Closes-Bug: #1429102