added phrase extraction algorithm
fixed he max length for fs variable on line 34
fixed if-else condition in extract()
fixed typo error in function description.
added the doctext.
revert changes to gdfa to pre-nltk merge-pull
Merge pull request #4 from nltk/develop

Syncing fork with nltk-dev
added proper algorithm descriptions, added examples to doctests and
added target phrase position to track reordering
added the :params and :return in the docstr.
corrected mistake in the :param for the alignment input.
corrected typos in docstr and remove non :param style input/output
description.
removed comments that are transparent in the code.
untangled spaghetti code with nested functions, also used `print()` for
python3.
Updated Paice documentation (Sphinx-style) & improved demo.
Fixed a problem with jar finder
Merge pull request #734 from capdevc/jar_finder_bug

Fixed a problem with jar finder
Merge pull request #733 from lade/paice-doc

Updated Paice documentation (Sphinx-style) & improved demo.
removed unnecessary import of codecs, cf https://github.com/robwahl/nltk/commit/13815be63d6243308d585245bd5041d56ed460e7
Merge branch 'develop' of https://github.com/nltk/nltk into develop
removed import of os cf https://github.com/robwahl/nltk/commit/1565bc955a729f2a4ad476f07fd0b43e202b7fc1