Updated openstack/openstack
Project: openstack/python-ceilometerclient  47934c777c50897b649793e0960eebdaad322c45

Use HTTPClient from common Oslo code

In the process of unification of the clients code we should
reuse common functionality from Oslo.

bp common-client-library-2

Change-Id: I0e027c33ee42b6de032d33269caeea33e7837f40