Replace IJmmlib.py to allow PosXX format

ImageJ/utils/IJmmlib.py

@@ -26,6 +26,8 @@ def load_mm_images(rootdir, roi=1, tile=True, pos=False,
     else:
         stack_order = ['position', 'time', 'channels', 'z']
 
+    if not tile and pos:
+        stack_order = ['position', 'time', 'z', 'channels']
     image_files = generate_file_list(metadata, roi, tile, pos, stack_order)
     
     # Create the virtual stack