Updated openstack/openstack
Project: openstack/python-novaclient  4ab3686b32416f28c0a81fb7558fb75101ba270f
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add support for server set metadata item

add set_meta_item to the servers python API as specified by the 1.1 API

Change-Id: I01c92cde18656b23b45aedd41c50d3a474d91435