Use Ceilometer plugin for Congress gate devstack
Use Ceilometer plugin for Congress gate devstack

Change-Id: Ia6291a454c40b2bce4c80ce85993c40860dc1bbb

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