Feature: Sync MWS Shipment with Database

Various restructuring and misc. features added.
Removed reliance on ABrain Amazon MWS NuGet package, added Amazon's own C# lib

src/bnhtrade.Core/Data/AmazonMWS/CurrentDateTime.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using System.Xml.Linq;
+using System.Xml.XPath;
+
+namespace bnhtrade.Core.Data.AmazonMWS
+{
+    public class CurrentDateTime
+    {
+        public DateTime GetUtc()
+        {
+            var xmlDoc = new XmlDocument();
+            xmlDoc.Load("https://mws.amazonservices.com/");
+            DateTime returnTime = default(DateTime);
+
+            XmlNodeList elemList = xmlDoc.GetElementsByTagName("Timestamp");
+            for (int i = 0; i < elemList.Count; i++)
+            {
+                string attrVal = elemList[i].Attributes["timestamp"].Value;
+                if (!string.IsNullOrWhiteSpace(attrVal))
+                {
+                    returnTime = DateTime.Parse(attrVal);
+                    break;
+                }
+            }
+
+            if (returnTime == default(DateTime))
+            {
+                throw new Exception("Error requesting time from Amazon");
+            }
+
+            returnTime = returnTime.ToUniversalTime();
+            returnTime = returnTime.AddTicks(-(returnTime.Ticks % TimeSpan.TicksPerSecond));
+
+            return returnTime;
+        }
+        public DateTime GetLocal()
+        {
+            return GetUtc().ToLocalTime();
+        }
+    }
+}