Updated openstack/openstack
Project: openstack/python-novaclient  47fe2d1c8dec03532d7b2d153dfd6d2bc24a629f

Use adapter from keystoneclient

SessionClient is mostly common code that wasn't yet released in
keystoneclient. Now that 0.10 is released we should use the adapter from
there as much as possible.

Change-Id: Ief6cd7e752fd8c9e9157364f99e270da7faff074