add trading managers

src/main/java/ats/orders/OrderRequest.java

@@ -28,18 +28,6 @@ public class OrderRequest {
         this.type = orderType;
     }
 
-    /**
-     * Return all properties of the request.  Subclasses should
-     * override to add their own properties to the parent class'.
-     */
-    // public Map<String, Object> getOrderParams() {
-    //     Map<String, Object> params = new HashMap<>();
-
-    //     params.put("type", orderType.toString());
-
-    //     return params;
-    // }
-
     /**
      * Create a JSON representation of the order suitable for sending
      * to the OANDA API.