Reorganize examples:

* The examples/ directory is renamed to example/

* Each program is in its own directory with its own build scripts

example/ssl/websocket_ssl_example.cpp

@@ -0,0 +1,47 @@
+//
+// 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)
+//
+
+#include <beast/core/ostream.hpp>
+#include <beast/websocket.hpp>
+#include <beast/websocket/ssl.hpp>
+#include <boost/asio.hpp>
+#include <boost/asio/ssl.hpp>
+#include <iostream>
+#include <string>
+
+int main()
+{
+    using boost::asio::connect;
+    using socket = boost::asio::ip::tcp::socket;
+    using resolver = boost::asio::ip::tcp::resolver;
+    using io_service = boost::asio::io_service;
+    namespace ssl = boost::asio::ssl;
+
+    // Normal boost::asio setup
+    std::string const host = "echo.websocket.org";
+    io_service ios;
+    resolver r{ios};
+    socket sock{ios};
+    connect(sock, r.resolve(resolver::query{host, "https"}));
+
+    // Perform SSL handshaking
+    using stream_type = ssl::stream<socket&>;
+    ssl::context ctx{ssl::context::sslv23};
+    stream_type stream{sock, ctx};
+    stream.set_verify_mode(ssl::verify_none);
+    stream.handshake(ssl::stream_base::client);
+
+    // Secure WebSocket connect and send message using Beast
+    beast::websocket::stream<stream_type&> ws{stream};
+    ws.handshake(host, "/");
+    ws.write(boost::asio::buffer("Hello, world!"));
+
+    // Receive Secure WebSocket message, print and close using Beast
+    beast::multi_buffer b;
+    ws.close(beast::websocket::close_code::normal);
+    std::cout << beast::buffers(b.data()) << "\n";
+}