Avoid receiving [No Data] messages when restarting deployments
* Start grafana container with delay
* Add running nodes dashboard and alert
* update grafana and prometheus container images
Signed-off-by: 
Serban Iorga <[email protected]>
* Start grafana container with delay
* Add running nodes dashboard and alert
* update grafana and prometheus container images
Signed-off-by: Serban Iorga <[email protected]>