reorganise alignment code, incorporate Thorsten Marek's port of Gale-Church
brought in implementations of IBM Models 1-3
import fixes
fixed min()
code style fixes
fixed gale church implementation so doctests work; used log probabilities instead of raw probabilities for the distance function to improve accuracy
Merge pull request #562 from jskda/align

Fixes to the align branch
Replaced python 2.x xrange to python 3.x range
Merge branch 'develop' into align
merged multilang-wordnet related changes here: https://gist.github.com/stevenbird/11128654
fixed some bugs
more bug-fixes
fixed bugs in nltk.corpus.util
added the omw corpus to WordNetCorpusReader
field bug fixes
Uses True and False instead of 1 and 0 for return values.
Merge remote-tracking branch 'upstream/develop' into develop
Merge branch 'pull_request.505' of https://github.com/jskda/nltk into align
Merge pull request #664 from Liechti/develop

Changes for Boolean Values #621
Remove deprecated link and replace with some comments