Updated openstack/openstack
Project: openstack/python-novaclient  eb0b6d167de8d3f01e48b45bfa44a8dddd64379e
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Reuse Resource from oslo

All methods of Resource class novaclient is equal to common code.
In the process of unification of the clients code we should
reuse common functionality from Oslo.

Related to blueprint common-client-library-2

Change-Id: I2b72c6b34a44dec3572ca8ad70e41e42a32d48c0