Nltk-ma

NLTK:
* minor fixes for Python 2.4 compatibility
* added words() method to XML corpus reader
* minor bugfixes and code clean-ups
* fixed downloader to put data in %APPDATA% on Windows

Data:
* Updated Punkt models
* Fixed utf8 encoding issues with UDHR and Stopwords Corpora
* Renamed CoNLL "cat" files to "esp" (different language)
* Added Alvey NLT feature-based grammar
* Added Polish PL196x corpus

NLTK:
* minor bugfixes (incl FreqDist, Python eggs)
* added reader for Europarl Corpora (contributed by Nitin Madnani)
* added reader for IPI PAN Polish Corpus (contributed by Konrad Goluchowski)
* fixed data.py so that it doesn't generate a warning for Windows Python 2.6

NLTK-Contrib:
* updated Praat reader (contributed by Margaret Mitchell)

NLTK:
* switched to Apache License, Version 2.0
* minor bugfixes in semantics and inference packages
* support for Python eggs
* fixed stale regression tests

Data:
* added NomBank 1.0
* uppercased feature names in some grammars

NLTK:
* several bugfixes
* added nombank corpus reader (Paul Bedaride)

NLTK:
* minor bugfixes and optimizations for parsers, updated some doctests
* added bottom-up filtered left corner parsers,
LeftCornerChartParser and IncrementalLeftCornerChartParser.
* fixed dispersion plot bug which prevented empty plots

NLTK:
* major refactor of chart parser code and improved API (Peter Ljungl喃)
* added new bottom-up left-corner chart parser strategy
* misc bugfixes (ChunkScore, chart rules, chatbots, jcn-similarity)
* improved efficiency of "import nltk" using lazy module imports
* moved CCG package and ISRI Arabic stemmer from NLTK-Contrib into core NLTK
* misc code cleanups

Contrib:
* moved out of the main NLTK distribution into a separate distribution

Book:
* Ongoing polishing ahead of print publication