add FlightOrder method and fix model

Author: tsolakoua

src/main/java/com/amadeus/Booking.java

@@ -15,6 +15,9 @@ public class Booking {
 
   public Booking(Amadeus client) {
     this.client = client;
-    this.flightOrder = new FlightOrder(client);
+  }
+
+  public FlightOrder flightOrder(String flightOrderId) {
+    return new FlightOrder(client, flightOrderId);
   }
 }

src/main/java/com/amadeus/booking/FlightOrder.java

@@ -9,7 +9,7 @@
 /**
  * <p>
  *   A namespaced client for the
- *   <code>/v1/booking/flight-orders</code> endpoints.
+ *   <code>/v1/booking/flight-orders:flightOrderId</code> endpoints.
  * </p>
  *
  * <p>
@@ -22,13 +22,15 @@
  */
 public class FlightOrder {
   private Amadeus client;
+  private String flightOfferId;
 
   /**
    * Constructor.
    * @hide
    */
-  public FlightOrder(Amadeus client) {
+  public FlightOrder(Amadeus client, String flightOfferId) {
     this.client = client;
+    this.flightOfferId = flightOfferId;
   }
 
   /**
@@ -44,18 +46,19 @@ public FlightOrder(Amadeus client) {
    * @return an API response object
    * @throws ResponseException when an exception occurs
    */
-  public com.amadeus.resources.FlightOrder[] get(Params params) throws ResponseException {
-    Response response = client.get(
-        "/v1/booking/flight-orders/", params);
-    return (com.amadeus.resources.FlightOrder[]) Resource.fromArray(
-        response, com.amadeus.resources.FlightOrder[].class);
-  }
 
+  public com.amadeus.resources.FlightOrder get(Params params) throws ResponseException {
+    String path = String.format("/v1/booking/flight-orders/%s", flightOfferId);
+    Response response = client.get(path, params);
+    return (com.amadeus.resources.FlightOrder) Resource.fromObject(
+        response, com.amadeus.resources.FlightOrder.class);
+  }
+  
   /**
    * Convenience method for calling <code>get</code> without any parameters.
-   * @see FlightDelay#get()
+   * @see com.amadeus.booking.FlightOrder#get()
    */
-  public com.amadeus.resources.FlightOrder[] get() throws ResponseException {
+  public com.amadeus.resources.FlightOrder get() throws ResponseException {
     return get(null);
   }
 }

src/main/java/com/amadeus/resources/FlightOrder.java

@@ -39,7 +39,7 @@ protected Traveler() {
     private @Getter Date dateOfBirth;
     private @Getter Name name;
     private @Getter Contact contact;
-    private @Getter Document documents;
+    private @Getter Document[] documents;
   }
 
   @ToString
@@ -56,7 +56,7 @@ public class Contact {
     protected Contact() {
     }
 
-    private @Getter Phone phones;
+    private @Getter Phone[] phones;
   }
 
   @ToString