Rover: fixes for AP_Relay API change

APMrover2/commands_logic.pde

@@ -375,11 +375,11 @@ static void do_set_servo()
 static void do_set_relay()
 {
 	if (next_nonnav_command.p1 == 1) {
-		relay.on();
+		relay.on(0);
 	} else if (next_nonnav_command.p1 == 0) {
-		relay.off();
+		relay.off(0);
 	}else{
-		relay.toggle();
+		relay.toggle(0);
 	}
 }
 

APMrover2/events.pde

@@ -22,7 +22,7 @@ static void update_events(void)	// Used for MAV_CMD_DO_REPEAT_SERVO and MAV_CMD_
 		}
 
 		if  (event_id == RELAY_TOGGLE) {
-			relay.toggle();
+			relay.toggle(0);
 		}
 	}
 }

APMrover2/test.pde

@@ -217,14 +217,14 @@ test_relay(uint8_t argc, const Menu::arg *argv)
 
 	while(1){
 		cliSerial->printf_P(PSTR("Relay on\n"));
-		relay.on();
+		relay.on(0);
 		delay(3000);
 		if(cliSerial->available() > 0){
 			return (0);
 		}
 
 		cliSerial->printf_P(PSTR("Relay off\n"));
-		relay.off();
+		relay.off(0);
 		delay(3000);
 		if(cliSerial->available() > 0){
 			return (0);