Merge pull request #89 from jonnor/fix-runtime-type-on-new-graph

Update runtime type values for new graphs to match type in runtime regis...
Harmonize type selection
Pass the actual graph to thumbnailing
Remove legacy graph subscription
Fix unable to open newly created graphs

Without this change the 'data-id' attribute of the list entry is empty,
as graph.properties.id is not set, and nothing would happen when
clicking a newly created graph.