Updated openstack/openstack
Project: openstack/requirements  607e03cdca52dc28614c1db34144d612b345c824

Fixed oslotest version pin

It turned out that pip is too smart and knows that 1.1.0.0a1 is less
than 1.1.0. We have 1.1.0.0a1 on PyPI for now, so we need to require
that specific version until the final release is available.

Change-Id: I23d85cf1237177561955df05c752871c443e3630