save dates in xml with local time

MediaBrowser.Controller/Entities/Folder.cs

@@ -116,11 +116,11 @@ namespace MediaBrowser.Controller.Entities
 
             if (item.DateCreated == DateTime.MinValue)
             {
-                item.DateCreated = DateTime.Now;
+                item.DateCreated = DateTime.UtcNow;
             }
             if (item.DateModified == DateTime.MinValue)
             {
-                item.DateModified = DateTime.Now;
+                item.DateModified = DateTime.UtcNow;
             }
 
             if (!_children.TryAdd(item.Id, item))

MediaBrowser.Providers/Savers/XmlSaverHelpers.cs

@@ -159,7 +159,7 @@ namespace MediaBrowser.Providers.Savers
                 builder.Append("<certification>" + SecurityElement.Escape(item.OfficialRating) + "</certification>");
             }
 
-            builder.Append("<Added>" + SecurityElement.Escape(item.DateCreated.ToString("G")) + "</Added>");
+            builder.Append("<Added>" + SecurityElement.Escape(item.DateCreated.ToLocalTime().ToString("G")) + "</Added>");
 
             builder.Append("<LockData>" + item.DontFetchMeta.ToString().ToLower() + "</LockData>");