Move bash whitelisting to pep8 testenv
Move bash whitelisting to pep8 testenv

Change-Id: If2c3ebf57143cbed04b66a9986d67f91fee89630
Closes-Bug: #1302304

FedericoRessi/networking-odl,FedericoRessi/networking-odl,openstack/networking-odl,CiscoSystems/networking-odl,flavio-fernandes/networking-odl,schoksey/networking-odl,openstack/networking-odl,mestery/x-stackforge-odl,CiscoSystems/networking-odl,flavio-fernandes/networking-odl,schoksey/networking-odl,openstack/networking-odl