Updated openstack/openstack
Project: openstack/tempest  eafe0a98539196cd68286319d4445ae767f0c1d1
null
Bump six version to match os requirements

This has been breaking stable/havana branch, as novaclient needs six>=
1.4.0

Closes-Bug: #1244055
Change-Id: I880bbeee279d15d919f8c366fa9a6a24e8cdfa47