Reuse http_network library.

Reintroduced HTTPD_STREAM_SOCKET for backward compatibility, and ease of usage.
Added websocket libraries (client, and protocol).

library/network/websocket/client/src/no_ssl/web_socket_client.e

@@ -0,0 +1,29 @@
+note
+	description: "[
+		API to perform actions like opening and closing the connection, sending and receiving messages, and listening
+		for events triggered by the server
+	]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+deferred class
+	WEB_SOCKET_CLIENT
+
+inherit
+	WEB_SOCKET_CLIENT_I
+
+feature -- Status report
+
+	is_ssl_supported: BOOLEAN = False
+
+feature -- Factory
+
+	new_socket (a_port: INTEGER; a_host: STRING): HTTP_STREAM_SOCKET
+		do
+			if is_tunneled then
+				check ssl_supported: False end
+			end
+			create {HTTP_STREAM_SOCKET} Result.make_client_by_port (a_port, a_host)
+		end
+
+end