Update the CI ACL for fuel-plugins-xenserver
Update the CI ACL for fuel-plugins-xenserver

fuel-plugins-ci has been reserved by Mirantis for CIs they control only.
They have recommended that we create our own CI group to vote on the
fuel-plugins-xenserver project.

Change-Id: I7175bc86cfda9a8d1032ddfa95e314f3bfaddc36

dongwenjuan/project-config,openstack-infra/project-config,Tesora/tesora-project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config