Began adding smarty-key; smarty-key testing

Author: savannah-ryan

src/main/java/com/smartystreets/api/us_street/Candidate.java

@@ -22,6 +22,7 @@ public class Candidate implements Serializable {
     private String deliveryLine2;
     private String lastLine;
     private String deliveryPointBarcode;
+    private String smartyKey;
     private Components components;
     private Metadata metadata;
     private Analysis analysis;
@@ -92,5 +93,10 @@ public String getDeliveryPointBarcode() {
         return this.deliveryPointBarcode;
     }
 
+    @JsonProperty("smarty_key")
+        public String getSmartyKey() {
+            return this.smartyKey;
+        }
+
     //endregion
 }

src/test/java/com/smartystreets/api/us_street/CandidateTest.java

@@ -21,6 +21,7 @@ public void testFullJSONDeserialization() throws Exception {
                 + "\"delivery_line_2\": \"blah blah\",\n"
                 + "\"last_line\": \"Provo UT 84604-4405\",\n"
                 + "\"delivery_point_barcode\": \"846044405140\",\n"
+                + "\"smarty_key\": \"1750774478\",\n"
                 + "\"components\": {\n"
                 + "\"primary_number\": \"3214\",\n"
                 + "\"street_predirection\": \"N\",\n"
@@ -88,6 +89,7 @@ public void testFullJSONDeserialization() throws Exception {
         assertEquals("blah blah", candidates[0].getDeliveryLine2());
         assertEquals("Provo UT 84604-4405", candidates[0].getLastLine());
         assertEquals("846044405140", candidates[0].getDeliveryPointBarcode());
+        assertEquals("1750774478", candidates[0].getSmartyKey());
         assertEquals("3214", candidates[0].getComponents().getPrimaryNumber());
         assertEquals("N", candidates[0].getComponents().getStreetPredirection());
         assertEquals("Q", candidates[0].getComponents().getStreetPostdirection());