Send and transmit using radio works now. Sends initial request for registration.

src/radio.h

@@ -8,7 +8,8 @@ public:
   Radio(Display *d, bool _isMaster):display(d), isMaster(_isMaster) { };
   void begin(void);
   void loop(void);
-  void broadcastClock(int hour, int minute, int second);
+  void broadcastClock(int day, int hour, int minute, int second, int msPerModelSecond);
+  void broadcastRequestRegistration(const char *clockName);
 private:
   Display *display;
   bool isMaster;