Navitia: Add house numbers to addresses.

This commit adds the house number behind the street name if available
and gives a way to define other formats like in France
where the house number comes before the street name.

enabler/src/de/schildbach/pte/FranceNorthWestProvider.java

@@ -41,4 +41,9 @@ public class FranceNorthWestProvider extends AbstractNavitiaProvider {
     public String region() {
         return API_REGION;
     }
+
+    @Override
+    protected String getAddressName(final String name, final String houseNumber) {
+        return houseNumber + " " + name;
+    }
 }