Use release version of python-savannaclient
Use release version of python-savannaclient

Change-Id: I070612f27d37b4d6a8bb1e4cec0cc7cd02543c8d

esikachev/sahara-tests,openstack/sahara-tests,openstack/sahara-tests,openstack/sahara-scenario,esikachev/sahara-tests,openstack/sahara-scenario,esikachev/sahara-tests,openstack/sahara-tests,openstack/sahara-tests,openstack/sahara-scenario