Updated openstack/openstack
Project: openstack/tempest  11108cfb3b50a9be84608a52716d03b2b3e72fbb
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Convert all service clients to global CONF object

This commit takes the rest client and all subclass(all the service
clients) and converts all uses of config to the global CONF object.

Partially implements bp config-cleanup

Change-Id: I09525af4f1b308b91d45b7bbea05e0f734ea485c