Updated openstack/openstack
Project: openstack/nova  998057e7b08aa58a84aebe6103836c867297b89e
null
Convert nova.compute.manager's _spawn to objects

This means that drivers now receive an instance object for
their spawn call.

Related to blueprint icehouse-objects.
Related to blueprint compute-manager-objects.

Change-Id: If726f19441c33bbc59e8cd116ef983557fae9943