Upgrade Grafana and its Gnocchi plugins
Upgrade Grafana and its Gnocchi plugins

Change-Id: I05c0aae230f602be933e96df082aaf55bb34d685

gnocchixyz/gnocchi,sileht/gnocchi,gnocchixyz/gnocchi,leandroreox/gnocchi,sileht/gnocchi,leandroreox/gnocchi