f20 is non voting, should only run on master
f20 is non voting, should only run on master

The fedora job remains non voting, it should only be tracking on
master not on all the stable branches where it just burns nodes.

Change-Id: Ieb87237851ea16a7261c322d3701491ad2467e09

dongwenjuan/project-config,openstack-infra/project-config,coolsvap/project-config,anbangr/osci-project-config,anbangr/osci-project-config,openstack-infra/project-config,Tesora/tesora-project-config,citrix-openstack/project-config,noorul/os-project-config,osrg/project-config,open-switch/infra_project-config,citrix-openstack/project-config,open-switch/infra_project-config,noorul/os-project-config,osrg/project-config,coolsvap/project-config,Tesora/tesora-project-config,dongwenjuan/project-config