Updated openstack/openstack
Project: openstack/ceilometer  713218256a3c76099227f6a4c0a87d8adf040ecb
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sync oslo common code

sync code with commit-id: 5e5a51b3ddc25b3242e8f4f4b5e5357942618662

Change-Id: If62f3bba14cdc74c78685b2fdf5aa769c4158a50