Handle cases in quick-start where grouping compacted away pieces of hierarchy because only one node conforms to query. Move code that could be put in common with node.js in exhibit

Change size of FiberPool because when adding em_postgres, a size of 4 is no longer big enough to support running the ui on the development server

Remove retired nodes that are no longer present in the reference description (2 adonis nodes) by filtering status on comment not starting with retired