Updated openstack/openstack
Project: openstack/python-keystoneclient  dd4ab80047a9efdbce61e3341f0551cb0c44f580
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Discover supported APIs

Allow discovery of the API versions a server supports and create an
appropriate client based on this.

Implements: blueprint api-version-discovery
Change-Id: I63e6759889066a784dc47e35152c82e1ead7951d