Because we want to use tox role variables (tox_envlist) across
multiple plays. We need to setup the variable in zuul.yaml. However,
this now means we need to create tox-pep8 job now since we are using
the tox/run playbook.
Change-Id: I6c15c076a510375dfacc66a0e07bc3f1228adf06
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
1280a99434