As bug 1568706 uncovered, we were using zuul-cloner
in our gate jobs; this was preventing our translation from
After digging into this issue a number of changes in this
associated logic were found to not be in sync with neutron.
This patch updates out tox/tools logic to follow that of neutron.
In addition this patch fixes any pylint checks that were failing to
make pep8 pass.
Please review closely, not only to the tools/tox updates but also
to the ignored pylint checks in the code. We only want to disable
checks where appropriate.