Add ceilometor, aodh and networing-sfc plugins
Add ceilometor, aodh and networing-sfc plugins

Since Newton release, Tacker supports vnffg and alarm-monitor features,
which need these above projects to run.

Enable these projects in integration test env to support the related
functional tests.

Change-Id: I141128d8d1079d61820b48a5dde4af24a6ee4654

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