Remove dependency on nltk and use python-levenshtein instead:
NLTK packaging makes problem for mainteners

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
german l10n updated
Merge pull request #290 from Mirodin/unstable

german l10n updated
Add configuration for scanner mode

Scanners may support a variety of imaging modes.  Add a configuration
box that permits the user to select which should be used.

Signed-off-by: Ross Vandegrift <ross@kallisti.us>