Fix #471, order of operations for delete all

When cleaning up for shutdown, delete resources that have
a task/thread first, followed by other resource types.

This helps avoid possible dependencies as running threads
might be using the other resources.

src/os/shared/src/osapi-common.c

@@ -337,7 +337,18 @@ void OS_DeleteAllObjects(void)
     {
         ObjectCount = 0;
         ++TryCount;
+
+        /* Delete timers and tasks first, as they could be actively using other object types  */
+        OS_ForEachObjectOfType(OS_OBJECT_TYPE_OS_TIMECB, OS_OBJECT_CREATOR_ANY,
+                OS_CleanUpObject, &ObjectCount);
+        OS_ForEachObjectOfType(OS_OBJECT_TYPE_OS_TIMEBASE, OS_OBJECT_CREATOR_ANY,
+                OS_CleanUpObject, &ObjectCount);
+        OS_ForEachObjectOfType(OS_OBJECT_TYPE_OS_TASK, OS_OBJECT_CREATOR_ANY,
+                OS_CleanUpObject, &ObjectCount);
+
+        /* Then try to delete all other remaining objects of any type */
         OS_ForEachObject(OS_OBJECT_CREATOR_ANY, OS_CleanUpObject, &ObjectCount);
+
         if (ObjectCount == 0 || TryCount > 4)
         {
             break;