- If multiple specs were provided in a single call to
  ``config.add_translation_dirs``, the directories were inserted into the
  beginning of the directory list in the wrong order: they were inserted in
  the reverse of the order they were provided in the ``*specs`` list (items
  later in the list trumped ones earlier in the list).  This is now fixed.

  Note however, that later calls to ``config.add_translation_dirs`` continue
  to insert directories into the beginning of the list of translation
  directories created by earlier calls.  This means that the same translation
  found in a directory added via ``add_translation_dirs`` later in the
  configuration process will be found before one added earlier via a separate
  call to ``add_translation_dirs`` in the configuration process.