Following actions are performed by this patch:
1) Adds the ceilometer packages to the pre-download script.
2) Adds telemetry services on controller node.
3) Configures glance, cinder to send notification to the telemetry module.
4) Adds ceilometer compute agent on compute node.
Co-authored-by: Pranav Salunke <dguitarbite@gmail.com>
Change-Id: I82e8f4799e724e09748bb9c743ec8b77e82af39a