Add stem test for spanish stemmer
Don't let spanish stemmer raise an IndexError
Avoid imports of tkinter in nltk.sem if tkinter is not available.
Pep8 and code cleanup.
skip ccg doctests as they are broken.
Skip portuguese_en.doctest because it imports a non existing module.
Fix paice.doctest for Python 2.6.
Merge pull request #763 from dimazest/stem_tkinter

Avoid imports of tkinter in nltk.sem if tkinter is not available.
Merge pull request #766 from dimazest/ccg-test

skip ccg doctests as they are broken.
Merge pull request #767 from dimazest/portuguese_en-test

Skip portuguese_en.doctest because it imports a non existing module.
Merge pull request #760 from tobami/fix-stemmer-indexerror

Fix spanish stemmer raising indexerror
Merge pull request #768 from dimazest/paice-test

Fix paice.doctest for Python 2.6.
Remove emacs directory
Merge pull request #770 from edran/remove_emacs

Remove emacs directory
removed stale reference to sourceforge site, cf issue #753
tweaked some Portuguese stemmer suffixes that were incorrectly duplicated from Spanish in the original source, resolves issue #754
Partially revert 986d103

These rules in the SpanishStemmer were changed by mistake. Fixes #773.
Merge pull request #774 from he7d3r/patch-1

Partially revert 986d103
whitespace cleanup
add missing backslashes to multiline expression