message: remove unneeded center/scale kwargs.  remove finished TODO
diff: @@ -61,8 +61,7 @@ class DualNetwork(object):
  my_batchn = functools.partial(tf.layers.batch_normalization,
  - center=True, scale=True, training=train_mode)
  - # TODO: extract training to phase param for feed dict.
  + training=train_mode)
  my_conv2d = functools.partial(tf.layers.conv2d,
  filters=self.k, kernel_size=[3, 3], padding="same")
  