New server-framework, full featured server example:

A new server framework is introduced, allowing users to
quickly get off the ground. Example servers are refactored
to use the common framework.

test/server/write_msg.cpp

@@ -0,0 +1,10 @@
+//
+// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Test that header file is self-contained.
+#include "../../example/server-framework/write_msg.hpp"
+