Add descriptions of the pep8 checks
Add descriptions of the pep8 checks

Change-Id: Ida2be020b8ed7ea047e11c4b8fa2f5154a444977

rickerc/heat_audit,varunarya10/heat,gonzolino/heat,steveb/heat,takeshineshiro/heat,citrix-openstack-build/heat,NeCTAR-RC/heat,redhat-openstack/heat,cryptickp/heat,noironetworks/heat,pshchelo/heat,srznew/heat,openstack/heat,cwolferh/heat-scratch,JioCloud/heat,miguelgrinberg/heat,ntt-sic/heat,varunarya10/heat,srznew/heat,steveb/heat,ntt-sic/heat,miguelgrinberg/heat,citrix-openstack-build/heat,dragorosson/heat,maestro-hybrid-cloud/heat,maestro-hybrid-cloud/heat,cwolferh/heat-scratch,dims/heat,dragorosson/heat,rdo-management/heat,openstack/heat,dims/heat,jasondunsmore/heat,pratikmallya/heat,gonzolino/heat,redhat-openstack/heat,rdo-management/heat,noironetworks/heat,cryptickp/heat,takeshineshiro/heat,pshchelo/heat,rh-s/heat,NeCTAR-RC/heat,pratikmallya/heat,rickerc/heat_audit,JioCloud/heat,rh-s/heat,jasondunsmore/heat