Add license disclaimer

Cleanup formatting

Author: amaitland

CefSharp.Wpf.Example/Handlers/MenuHandler.cs

@@ -1,23 +1,19 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+// Copyright © 2010-2014 The CefSharp Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+
+using System;
 
 namespace CefSharp.Wpf.Example.Handlers
 {
-
     public class MenuHandler : IMenuHandler
     {
-
         public bool OnBeforeContextMenu(IWebBrowser browser, IContextMenuParams parameters)
         {
-
             Console.WriteLine("Context menu opened");
             Console.WriteLine(parameters.MisspelledWord);
 
             return true;
         }
-
-
     }
 }