setup.py * added nltk_contrib/wordnet package
setup.py
* added nltk_contrib/wordnet package

nltk_contrib/wordnet
* __init__.py added
* incorporate methods from nltk.wordnet.wordnet
  max_depth(), min_depth(), common_hypernyms(), closure(), tree(),
  hypernym_distances(), shortest_path_distance(), hypernym_paths()
* incorporate nltk.wordnet.similarity
* update demo code to include similarity examples


svn/trunk@6676

nltk/nltk,nltk/nltk,nltk/nltk