PropertyConfig.n3 has moved to rdf/display/firsttime, so it is only pulled in
if the display model is empty.
Let's pull it in one time, anyway.
Check askUpdated.sparql for an example of how we know that it is necessary.
Also check success.n3
If a special triple is not found in the display model, read the file from
firsttime. If we can't find the file, warn