Moved httpd library from ewsgi/connectors/standalone/lib/httpd to httpd.

Reused the http_network library as well inside httpd library.

library/server/httpd/network/until_16_05/ssl/httpd_stream_ssl_socket_ext.e

@@ -0,0 +1,41 @@
+note
+	description: "[
+			Extension to HTTPD_STREAM_SOCKET to support backward compatibility.
+			
+			TO BE REMOVED IN THE FUTURE, WHEN 16.05 IS OLD.
+		]"
+
+deferred class
+	HTTPD_STREAM_SSL_SOCKET_EXT
+
+feature {NONE} -- SSL bridge
+
+	ssl_write (a_ssl: SSL; a_pointer: POINTER; a_byte_count: INTEGER): INTEGER
+		do
+				-- In delivery until 16.05
+				-- SSL.write does not return any value!
+				-- So let's use `c_ssl_write' from Current class
+				-- instead of:
+				--		a_ssl.write (a_pointer, a_byte_count)
+
+			Result := c_ssl_write (a_ssl.ptr, a_pointer, a_byte_count)
+			if a_ssl.was_error then
+					-- Until 16.05, there is no error check for `SSL.write'
+					-- so nothing can be done here.
+
+				if Result >= 0 then
+					Result := -1
+				end
+			end
+		end
+
+	c_ssl_write (an_ssl_ptr: POINTER; buffer: POINTER; nb_bytes: INTEGER_32): INTEGER_32
+			-- External call to SSL_write
+			-- (export status {NONE})
+		external
+			"C use %"eif_openssl.h%""
+		alias
+			"SSL_write"
+		end
+
+end