Cosmetic changes to comments.

Print on output every change of Event_State for analog-value objects.
Added write_property_function for analog-input objects.
Created descriptor for analog-input objects.
Possible to write Present_Value for analog-inputs when Out_Of_Service is true.

bacnet-stack/demo/server/main.c

@@ -206,7 +206,7 @@ int main(
             tsm_timer_milliseconds(elapsed_milliseconds);
             trend_log_timer(elapsed_seconds);
 #if defined(INTRINSIC_REPORTING)
-            Device_local_reporting(elapsed_seconds * 1000);
+            Device_local_reporting();
 #endif
         }
         /* scan cache address */