Adds Flake8 job to the lint check
Adds Flake8 job to the lint check

This update uses the lint check script to add a hacking/flake8
job which will ensure that all python files are passing what is
required by OpenStack.

Change-Id: If8312de8ca6822b7aa562775727c91a34987f845
Partial-Bug: 1440462

pombredanne/os-ansible-deployment,major/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,shane-c/openstack-ansible,dhanunjaya/os-ansible-deployment,pombredanne/os-ansible-deployment,wenhuizhang/os-ansible-deployment,Logan2211/openstack-ansible,BjoernT/openstack-ansible,cfarquhar/openstack-ansible,bunchc/openstack-ansible,robb-romans/openstack-ansible,BjoernT/os-ansible-deployment,d34dh0r53/os-ansible-deployment,weezer/openstack-ansible,git-harry/os-ansible-deployment,Logan2211/openstack-ansible,major/os-ansible-deployment,antonym/openstack-ansible,sacharya/os-ansible-deployment,wenhuizhang/os-ansible-deployment,cfarquhar/openstack-ansible,mancdaz/openstack-ansible,sti-jans/openstack-ansible,VaneCloud/openstack-ansible,mancdaz/openstack-ansible,jpmontez/openstack-ansible,cloudnull/os-ansible-deployment,achekunov/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,yanyao/openstack-deployment,VaneCloud/openstack-ansible,mrda/openstack-ansible,miguelgrinberg/os-ansible-deployment,metral/os-ansible-deployment,BjoernT/openstack-ansible,manuelfelipe/openstack-ansible,BjoernT/os-ansible-deployment,stackforge/os-ansible-deployment,open-switch/infra_openstack-ansible,yanyao/newton,antonym/openstack-ansible,yanyao/openstack-ansible,manuelfelipe/openstack-ansible,manuelfelipe/openstack-ansible,open-switch/infra_openstack-ansible,yanyao/openstack-ansible,open-switch/infra_openstack-ansible,sigmavirus24/openstack-ansible,yanyao/openstack-deployment,metral/os-ansible-deployment,sigmavirus24/os-ansible-deployment,git-harry/os-ansible-deployment,git-harry/os-ansible-deployment,pombredanne/os-ansible-deployment,openstack/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,bunchc/openstack-ansible,jpmontez/openstack-ansible,miguelgrinberg/os-ansible-deployment,jpmontez/os-ansible-deployment,major/openstack-ansible,sti-jans/openstack-ansible,shane-c/openstack-ansible,achekunov/openstack-ansible,mrda/openstack-ansible,BjoernT/os-ansible-deployment,os-cloud/os-ansible-deployment,sigmavirus24/os-ansible-deployment,cloudnull/os-ansible-deployment,robb-romans/openstack-ansible,d34dh0r53/os-ansible-deployment,openstack/openstack-ansible,yanyao/openstack-deployment-liberty,achekunov/openstack-ansible,os-cloud/os-ansible-deployment,sacharya/os-ansible-deployment,yanyao/openstack-deployment,weezer/openstack-ansible,mrda/openstack-ansible,sigmavirus24/openstack-ansible,stackforge/os-ansible-deployment,antonym/openstack-ansible,jpmontez/os-ansible-deployment,yanyao/openstack-deployment-liberty,dhanunjaya/os-ansible-deployment,jpmontez/os-ansible-deployment,jpmontez/openstack-ansible,yanyao/openstack-deployment,shane-c/openstack-ansible,VaneCloud/openstack-ansible,sti-jans/openstack-ansible,yanyao/openstack-deployment-liberty,major/os-ansible-deployment,yanyao/newton