SP-23 autoRedirect should set the value on the invoice

Author: bobbrodie

src/main/java/com/bitpay/sdk/model/Invoice/Invoice.java

@@ -375,7 +375,7 @@ public void setItemizedDetails(List<InvoiceItemizedDetails> _itemizedDetails) {
         this._itemizedDetails = _itemizedDetails;
     }
 
-    @JsonIgnore
+    @JsonProperty("autoRedirect")
     public boolean getAutoRedirect() {
         return _autoRedirect;
     }