Define volume quotas_client as library

Volume quotas_clients have good interfaces now,
then this patch makes them as a library.

Partially implements blueprint consistent-service-method-names

Change-Id: I91c4ac55680604143a4599e136d9d673bbb27e24
diff --git a/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml b/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
index 6a4fc2b..cf504ad 100644
--- a/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
+++ b/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
@@ -12,5 +12,7 @@
       * extensions_client(v2)
       * hosts_client(v1)
       * hosts_client(v2)
+      * quotas_client(v1)
+      * quotas_client(v2)
       * services_client(v1)
       * services_client(v2)
diff --git a/tempest/services/volume/v1/json/admin/quotas_client.py b/tempest/lib/services/volume/v1/quotas_client.py
similarity index 100%
rename from tempest/services/volume/v1/json/admin/quotas_client.py
rename to tempest/lib/services/volume/v1/quotas_client.py
diff --git a/tempest/services/volume/v2/json/admin/quotas_client.py b/tempest/lib/services/volume/v2/quotas_client.py
similarity index 100%
rename from tempest/services/volume/v2/json/admin/quotas_client.py
rename to tempest/lib/services/volume/v2/quotas_client.py
diff --git a/tempest/services/volume/v1/__init__.py b/tempest/services/volume/v1/__init__.py
index 52d2942..945d2f2 100644
--- a/tempest/services/volume/v1/__init__.py
+++ b/tempest/services/volume/v1/__init__.py
@@ -16,8 +16,8 @@
     AvailabilityZoneClient
 from tempest.lib.services.volume.v1.extensions_client import ExtensionsClient
 from tempest.lib.services.volume.v1.hosts_client import HostsClient
+from tempest.lib.services.volume.v1.quotas_client import QuotasClient
 from tempest.lib.services.volume.v1.services_client import ServicesClient
-from tempest.services.volume.v1.json.admin.quotas_client import QuotasClient
 from tempest.services.volume.v1.json.admin.types_client import TypesClient
 from tempest.services.volume.v1.json.backups_client import BackupsClient
 from tempest.services.volume.v1.json.qos_client import QosSpecsClient
diff --git a/tempest/services/volume/v2/__init__.py b/tempest/services/volume/v2/__init__.py
index 26fbc2b..80f7a94 100644
--- a/tempest/services/volume/v2/__init__.py
+++ b/tempest/services/volume/v2/__init__.py
@@ -16,8 +16,8 @@
     AvailabilityZoneClient
 from tempest.lib.services.volume.v2.extensions_client import ExtensionsClient
 from tempest.lib.services.volume.v2.hosts_client import HostsClient
+from tempest.lib.services.volume.v2.quotas_client import QuotasClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
-from tempest.services.volume.v2.json.admin.quotas_client import QuotasClient
 from tempest.services.volume.v2.json.admin.types_client import TypesClient
 from tempest.services.volume.v2.json.backups_client import BackupsClient
 from tempest.services.volume.v2.json.qos_client import QosSpecsClient