Stable images used for ONS-EU demo

1. 41513bf Fixes to pass license check by Zack Williams · 6 years ago
2. 0778a24 Protobuf type for KPI slice metric type events by Zsolt Haraszti · 7 years ago
3. 1b7c036 Minor fixes to grafana by Zsolt Haraszti · 7 years ago
4. aa4626e Initial KPI/PM support by Zsolt Haraszti · 7 years ago