Factors in logic that shows temporarily located items.

app/models/concerns/statusable.rb: widens out the scope of the item value scraping, and adds the temporary details needed.
app/views/catalog/_physical_holding.xml.builder: removes copy number and adds in item specific library and location with logic to read temporarily located records.
spec/*: updates expectations for new and removed keys/values.

emory-libraries / blacklight-catalog