Normalize places-z8 ordering logic
Normalize places-z8 ordering logic

This makes the ordering logic consistent with the other places queries.

gronke/vector-datasource,adncentral/vector-datasource,mapzen/vector-datasource,adncentral/vector-datasource,kyroskoh/vector-datasource,gronke/vector-datasource,adncentral/vector-datasource,kyroskoh/vector-datasource,mapzen/vector-datasource,zoondka/vector-datasource,mapzen/vector-datasource,adncentral/vector-datasource,zoondka/vector-datasource