Make tox.ini run pep8 checks on bin.
Make tox.ini run pep8 checks on bin.

This updates the pep8 checks in our tox.ini file so that we are
also scanning the bin directory.

Change-Id: Ia3465a4bbc6a5fef7da4de45b736d8950c920963

swdream/neutron,armando-migliaccio/neutron,mahak/neutron,SamYaple/neutron,infobloxopen/neutron,eonpatapon/neutron,gopal1cloud/neutron,aristanetworks/neutron,CiscoSystems/vespa,redhat-openstack/neutron,SmartInfrastructures/neutron,skyddv/neutron,jacknjzhou/neutron,mattt416/neutron,kaiweifan/vse-lbaas-plugin-poc,chitr/neutron,swdream/neutron,openstack/neutron,wolverineav/neutron,chitr/neutron,blueboxgroup/neutron,zhhf/charging,vveerava/Openstack,mahak/neutron,leeseuljeong/leeseulstack_neutron,sebrandon1/neutron,barnsnake351/neutron,antonioUnina/neutron,eayunstack/neutron,CiscoSystems/neutron,bigswitch/neutron,jumpojoy/neutron,virtualopensystems/neutron,gkotton/neutron,eayunstack/neutron,virtualopensystems/neutron,netscaler/neutron,alexandrucoman/vbox-neutron-agent,miyakz1192/neutron,zhhf/charging,waltBB/neutron_read,aristanetworks/arista-ovs-quantum,neoareslinux/neutron,jumpojoy/neutron,cloudbase/neutron,CiscoSystems/neutron,leeseuljeong/leeseulstack_neutron,sasukeh/neutron,ykaneko/neutron,bgxavier/neutron,citrix-openstack-build/neutron,mandeepdhami/neutron,armando-migliaccio/neutron,rdo-management/neutron,JianyuWang/neutron,cernops/neutron,leeseulstack/openstack,ykaneko/quantum,klmitch/neutron,vbannai/neutron,silenci/neutron,projectcalico/calico-neutron,waltBB/neutron_read,yanheven/neutron,oeeagle/quantum,beagles/neutron_hacking,magic0704/neutron,sajuptpm/neutron-ipam,takeshineshiro/neutron,Stavitsky/neutron,rickerc/neutron_audit,cloudbase/neutron,yuewko/neutron,apporc/neutron,javaos74/neutron,rossella/neutron,javaos74/neutron,cloudbase/neutron-virtualbox,armando-migliaccio/neutron,ntt-sic/neutron,aristanetworks/arista-ovs-quantum,ntt-sic/neutron,blueboxgroup/neutron,sajuptpm/neutron-ipam,takeshineshiro/neutron,mmnelemane/neutron,Comcast/neutron,JianyuWang/neutron,tpaszkowski/quantum,barnsnake351/neutron,jerryz1982/neutron,kaiweifan/neutron,sasukeh/neutron,wolverineav/neutron,cisco-openstack/neutron,leeseuljeong/leeseulstack_neutron,shahbazn/neutron,bgxavier/neutron,jacknjzhou/neutron,suneeth51/neutron,kaiweifan/neutron,vveerava/Openstack,wenhuizhang/neutron,kaiweifan/neutron,rossella/neutron,netscaler/neutron,MaximNevrov/neutron,Juniper/contrail-dev-neutron,mandeepdhami/neutron,openstack/neutron,mahak/neutron,dims/neutron,yuewko/neutron,igor-toga/local-snat,mattt416/neutron,ykaneko/quantum,skyddv/neutron,igor-toga/local-snat,pnavarro/neutron,vijayendrabvs/hap,yamahata/neutron,vijayendrabvs/ssl-neutron,noironetworks/neutron,aristanetworks/neutron,vivekanand1101/neutron,yamahata/tacker,leeseulstack/openstack,cloudbase/neutron-virtualbox,gopal1cloud/neutron,CiscoSystems/quantum,wenhuizhang/neutron,yamt/neutron,glove747/liberty-neutron,dhanunjaya/neutron,jerryz1982/neutron,ykaneko/quantum,aristanetworks/arista-ovs-quantum,JioCloud/neutron,yamt/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,yamahata/neutron,paninetworks/neutron,ykaneko/neutron,mmnelemane/neutron,SmartInfrastructures/neutron,miyakz1192/neutron,Juniper/neutron,paninetworks/neutron,yamt/neutron,watonyweng/neutron,NeCTAR-RC/neutron,vijayendrabvs/ssl-neutron,cernops/neutron,adelina-t/neutron,yamahata/tacker,tpaszkowski/quantum,aristanetworks/arista-ovs-quantum,yamahata/neutron,gkotton/neutron,MaximNevrov/neutron,neoareslinux/neutron,yamt/neutron,yanheven/neutron,dhanunjaya/neutron,antonioUnina/neutron,rickerc/neutron_audit,kaiweifan/vse-lbaas-plugin-poc,Metaswitch/calico-neutron,JioCloud/neutron,openstack/neutron,liqin75/vse-vpnaas-plugin,blueboxgroup/neutron,asgard-lab/neutron,citrix-openstack-build/neutron,virtualopensystems/neutron,liqin75/vse-vpnaas-plugin,yamahata/tacker,vivekanand1101/neutron,rossella/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,CiscoSystems/quantum,bigswitch/neutron,Comcast/neutron,adelina-t/neutron,Juniper/contrail-dev-neutron,citrix-openstack-build/neutron,sajuptpm/neutron-ipam,rdo-management/neutron,klmitch/neutron,asgard-lab/neutron,shahbazn/neutron,rickerc/neutron_audit,CiscoSystems/vespa,vbannai/neutron,CiscoSystems/quantum,SamYaple/neutron,huntxu/neutron,suneeth51/neutron,armando-migliaccio/neutron,ntt-sic/neutron,oeeagle/quantum,Metaswitch/calico-neutron,infobloxopen/neutron,vveerava/Openstack,ykaneko/neutron,Comcast/neutron,watonyweng/neutron,zhhf/charging,rossella/neutron,liqin75/vse-vpnaas-plugin,beagles/neutron_hacking,cisco-openstack/neutron,Stavitsky/neutron,redhat-openstack/neutron,vijayendrabvs/hap,NeCTAR-RC/neutron,Juniper/neutron,alexandrucoman/vbox-neutron-agent,CiscoSystems/vespa,CiscoSystems/neutron,liqin75/vse-vpnaas-plugin,netscaler/neutron,vijayendrabvs/hap,ykaneko/quantum,magic0704/neutron,vijayendrabvs/ssl-neutron,projectcalico/calico-neutron,leeseulstack/openstack,huntxu/neutron,Juniper/neutron,tpaszkowski/quantum,gkotton/neutron,apporc/neutron,pnavarro/neutron,Juniper/contrail-dev-neutron,silenci/neutron,kaiweifan/vse-lbaas-plugin-poc,vbannai/neutron,noironetworks/neutron,glove747/liberty-neutron,tpaszkowski/quantum,Brocade-OpenSource/OpenStack-DNRM-Neutron,dims/neutron,sebrandon1/neutron,kaiweifan/vse-lbaas-plugin-poc,beagles/neutron_hacking,eonpatapon/neutron