Print hello world for k10 project.

samples/MvcSample/Program.cs

@@ -1,6 +1,7 @@
-#if NET45
-using System;
+using System;
+#if NET45
 using Microsoft.Owin.Hosting;
+#endif
 
 namespace MvcSample
 {
@@ -10,13 +11,16 @@ namespace MvcSample
 
         public static void Main()
         {
+#if NET45
             using (WebApp.Start<Startup>(new StartOptions(baseUrl)))
             {
                 Console.WriteLine("Listening at {0}", baseUrl);
                 Console.WriteLine("Press any key to exit");
                 Console.ReadKey();
             }
+#else
+            Console.WriteLine("Hello World");
+#endif
         }
     }
 }
-#endif