Using C++ to implement preamble. adding optional flag for carriage return

serviceinterface/ServiceInterfaceStream.cpp

@@ -5,7 +5,7 @@ void ServiceInterfaceStream::setActive( bool myActive) {
 }
 
 ServiceInterfaceStream::ServiceInterfaceStream(std::string set_message,
-		uint16_t port) :
+		bool addCrToPreamble, uint16_t port) :
 		std::basic_ostream<char, std::char_traits<char>>(&buf),
-		buf(set_message, port) {
+		buf(set_message, port, addCrToPreamble) {
 }