Fix date format to be mm/dd/yyyy (#1360)

It was causing the wrong publication date.

Author: BillWagner

docs/csharp/tour-of-csharp/classes-and-objects.md

@@ -4,7 +4,7 @@ description: New to C#? Read this overview of classes, objects and inheritance
 keywords: .NET, csharp, class, instance, object, inheritance, polymorphism
 author: BillWagner
 ms.author: wiwagn
-ms.date: 2016/08/10
+ms.date: 08/10/2016
 ms.topic: article
 ms.prod: .net
 ms.technology: devlang-csharp

docs/csharp/tour-of-csharp/expressions.md

@@ -4,7 +4,7 @@ description: expressions, operands, and operators are building blocks of the C#
 keywords: .NET, csharp, expression, operator, operand
 author: BillWagner
 ms.author: wiwagn
-ms.date: 2016/11/06
+ms.date: 11/06/2016
 ms.topic: article
 ms.prod: .net
 ms.technology: devlang-csharp

docs/csharp/tour-of-csharp/interfaces.md

@@ -4,7 +4,7 @@ description: Interfaces define contracts implemented by types in C#
 keywords: .NET, csharp, interfaces, multiple inheritance, polymorphism
 author: BillWagner
 ms.author: wiwagn
-ms.date: 2016/08/10
+ms.date: 08/10/2016
 ms.topic: article
 ms.prod: .net
 ms.technology: devlang-csharp

docs/csharp/tour-of-csharp/statements.md

@@ -4,7 +4,7 @@ description: You create the actions of a C# program using statements
 keywords: .NET, csharp, statements, syntax
 author: BillWagner
 ms.author: wiwagn
-ms.date: 2016/11/06
+ms.date: 11/06/2016
 ms.topic: article
 ms.prod: .net
 ms.technology: devlang-csharp

docs/csharp/tour-of-csharp/structs.md

@@ -4,7 +4,7 @@ description: Learn the basics of C# value types, called structs
 keywords: .NET, C#, struct, value type
 author: BillWagner
 ms.author: wiwagn
-ms.date: 2016/08/10
+ms.date: 08/10/2016
 ms.topic: article
 ms.prod: .net
 ms.technology: devlang-csharp