Make run_tests.sh pep8 conf match tox.
Make run_tests.sh pep8 conf match tox.

Updates our run_tests.sh pep8 excludes so that match what we do
in tox.ini (Adds E711,E712 to the exclude list)

Change-Id: Iaf2cee898a957847d444aa7c48db1d4ad088ab6e

gkotton/vmware-nsx,gkotton/vmware-nsx