Add missing copyright notices

Author: stakx

src/Moq/ITypeMatcher.cs

@@ -1,3 +1,6 @@
+// Copyright (c) 2007, Clarius Consulting, Manas Technology Solutions, InSTEDD, and Contributors.
+// All rights reserved. Licensed under the BSD 3-Clause License; see License.txt.
+
 using System;
 
 namespace Moq

tests/Moq.Tests/ExpressionSplitFixture.cs

@@ -1,3 +1,6 @@
+// Copyright (c) 2007, Clarius Consulting, Manas Technology Solutions, InSTEDD, and Contributors.
+// All rights reserved. Licensed under the BSD 3-Clause License; see License.txt.
+
 using System;
 using System.Linq;
 using System.Linq.Expressions;