Updated openstack/openstack
Project: openstack/taskflow  ad8ec1f4b113029fb0a6c8432969b94204901431

Bump up the sqlalchemy version for py26

The redhat repo for RDO and epel itself has access to 0.8 so
it would be great if we also tested those same versions since
those versions are common on that distribution (the main one
that still runs py26).

Change-Id: I25fe6a345bf417fc6957f075ac01f361bcd36982