add networking-fortinet in affiliated projects
add networking-fortinet in affiliated projects

it would be more appropriate to update networking-fortinet
in affiliated projects list due to stadium evolution.

Change-Id: Ifd6913ca87bf994e446af3e05cc47598bacffd27

sebrandon1/neutron,bigswitch/neutron,mahak/neutron,noironetworks/neutron,eayunstack/neutron,mahak/neutron,openstack/neutron,igor-toga/local-snat,sebrandon1/neutron,openstack/neutron,igor-toga/local-snat,eayunstack/neutron,mahak/neutron,cloudbase/neutron,huntxu/neutron,cloudbase/neutron,huntxu/neutron,bigswitch/neutron,noironetworks/neutron,openstack/neutron