Reduced MS/TP MAX_APDU to use 480 by default in examples (#683)

* Reduced MS/TP MAX_APDU to 480 from 1476 so that devices not use new MS/TP extended frame types which older routers do not understand.

* Added extra objects to STM32F4xx example to elicit edge cases in object-list for testing.

src/bacnet/basic/object/mso.c

@@ -607,8 +607,8 @@ bool Multistate_Output_Object_Name(
             status = characterstring_init_ansi(object_name,
                 pObject->Object_Name);
         } else {
-            snprintf(name_text, sizeof(name_text), "MULTI-STATE OUTPUT %u",
-                object_instance);
+            snprintf(name_text, sizeof(name_text), "MULTI-STATE OUTPUT %lu",
+                (unsigned long)object_instance);
             status = characterstring_init_ansi(object_name, name_text);
         }
     }