Added name to clients, added common interfaces

CryptoExchange.Net/ExchangeInterfaces/IOrder.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.ExchangeInterfaces
+{
+    /// <summary>
+    /// Common order
+    /// </summary>
+    public interface ICommonOrder: ICommonOrderId
+    {
+        /// <summary>
+        /// Symbol of the order
+        /// </summary>
+        public string CommonSymbol { get; }
+        /// <summary>
+        /// Price of the order
+        /// </summary>
+        public decimal CommonPrice { get; }
+        /// <summary>
+        /// Quantity of the order
+        /// </summary>
+        public decimal CommonQuantity { get; }
+        /// <summary>
+        /// Status of the order
+        /// </summary>
+        public string CommonStatus { get; }
+        /// <summary>
+        /// Whether the order is active
+        /// </summary>
+        public bool IsActive { get; }
+        /// <summary>
+        /// Side of the order
+        /// </summary>
+        public IExchangeClient.OrderSide CommonSide { get; }
+        /// <summary>
+        /// Type of the order
+        /// </summary>
+        public IExchangeClient.OrderType CommonType { get; }
+    }
+}