replaced inefficient left joins on the person table in getCollections and displayCollectionDetailsPage with calls to PBDBUtil::getPersonLookup, which is based on a recent riff in displayCollectionDetails
replaced inefficient left joins on the person table in getCollections and displayCollectionDetailsPage with calls to PBDBUtil::getPersonLookup, which is based on a recent riff in displayCollectionDetails

paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new