Replaced FreqDist.keys() with Counter.most_common()
  (keys no longer sorted by decreasing frequency)
Left ConditionalFreqDist.conditions() as is
  (even though these are no longer sorted alphabetically)

Cf nltk/nltk_book/#65
special formatting when probability = 1.0, cf issue nltk_book#37
link to instructions for installing third party software
Made Stanford models regexp more permissive; fixes #731
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
deleted stale examples package
remove generate from text demo
updates for 3.0.0b2
updates for 3.0.0b2
fixed import of Counter (2.6 compatibility), closes #737
plot and tabulate again provide samples in sorted order, optionally the first n; support for slice range is dropped; resolves issue #723
Merge pull request #724 from alvations/develop

Added Phrase Extraction Algorithm for Phrase-based MT in nltk.align
Fixed issue with printing production probabilities: all were being reduced to one significant digit; documentation wrongly specified 1.0 to display as 1.
fixed documentation to handle the fix where repr and str were swapped