Standardize namespaces to all be under the Microsoft.eShopOnWeb namespace and update default namespaces. (#102)

src/ApplicationCore/Entities/OrderAggregate/Address.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace ApplicationCore.Entities.OrderAggregate
+namespace Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate
 {
     public class Address // ValueObject
     {

src/ApplicationCore/Entities/OrderAggregate/CatalogItemOrdered.cs

@@ -1,6 +1,6 @@
 using Ardalis.GuardClauses;
 
-namespace ApplicationCore.Entities.OrderAggregate
+namespace Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate
 {
     /// <summary>
     /// Represents a snapshot of the item that was ordered. If catalog item details change, details of

src/ApplicationCore/Entities/OrderAggregate/Order.cs

@@ -1,10 +1,10 @@
-using ApplicationCore.Interfaces;
+using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Ardalis.GuardClauses;
 using Microsoft.eShopWeb.ApplicationCore.Entities;
 using System;
 using System.Collections.Generic;
 
-namespace ApplicationCore.Entities.OrderAggregate
+namespace Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate
 {
     public class Order : BaseEntity, IAggregateRoot
     {

src/ApplicationCore/Entities/OrderAggregate/OrderItem.cs

@@ -1,6 +1,6 @@
 using Microsoft.eShopWeb.ApplicationCore.Entities;
 
-namespace ApplicationCore.Entities.OrderAggregate
+namespace Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate
 {
 
     public class OrderItem : BaseEntity