Make knitting match what you see

The most important change is to flip the image instead of rotating
it 180 degrees when preparing the pattern.

In KnitProgress we remove the left-to-right reversal that was done to
compensate for the unnecessary mirroring.

src/main/python/main/ayab/engine/communication.py

@@ -174,6 +174,8 @@ def cnf_line_API6(
           color (int): The yarn color to be sent.
           flags (int): The flags sent to the controller.
           line_data (bytes): The bytearray to be sent to needles.
+              The leftmost needle is controlled by the least-significant bit of
+              the first byte.
         """
         if self.__ser is None:
             return

src/main/python/main/ayab/engine/engine.py

@@ -123,7 +123,7 @@ def knit_config(self, image: Image.Image) -> None:
         self.__logger.debug(self.config.as_dict())
 
         # start to knit with the bottom first
-        image = image.transpose(Image.ROTATE_180)
+        image = image.transpose(Image.FLIP_TOP_BOTTOM)
 
         # TODO: detect if previous conf had the same
         # image to avoid re-generating.

src/main/python/main/ayab/knitprogress.py

@@ -120,7 +120,6 @@ def update_progress(
         columns.append(carriage.symbol + " " + direction.symbol)
 
         # graph line of stitches
-        status.bits.reverse()
         midline = len(status.bits) - midline
 
         table_text = (