Updated openstack/openstack
Project: openstack/nova  1dc66b9d2eb3272c692550d74388d17339925869
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Add compatibility for InstanceMetadata and primitives

Since the virt drivers instantiate InstanceMetadata manually,
this adds a bit of compatibility for primitive instance objects
until we have all of compute manager converted.

Change-Id: Ifb9ae7838300280895d63ffbd13337529b6d883c