The Monasca Grafana fork allows users to log into Grafana with their
OpenStack user credentials and see metrics associated with their
OpenStack project. The long term goal is to enable Keystone support
in upstream Grafana, but this work seems to have stalled.

Partially-Implements: blueprint monasca-grafana
Change-Id: Icc04613b2571c094ae23b66d0bcc38b58c0ee4e1