HERE provider: add stateCode property

Author: ruscon

lib/geocoder/heregeocoder.js

@@ -118,6 +118,7 @@ HereGeocoder.prototype._formatResult = function (result) {
     country: null,
     countryCode: address.Country || null,
     state: address.State || null,
+    stateCode: address.State || null,
     county: address.County || null,
     city: address.City || null,
     zipcode: address.PostalCode || null,

test/geocoder/heregeocoder.test.js

@@ -262,6 +262,7 @@
                         country: 'Deutschland',
                         countryCode: 'DE',
                         state: 'Berlin',
+                        stateCode: 'Berlin',
                         county: 'Berlin',
                         city: 'Berlin',
                         zipcode: '14195',
@@ -461,6 +462,7 @@
                             country: 'United States',
                             countryCode: 'US',
                             state: 'New York',
+                            stateCode: 'NY',
                             county: 'Kings',
                             city: 'Brooklyn',
                             zipcode: '11211',