Initial revision
Updates for framenet corpus reader
support non-numeric features in scikit-learn wrapper

And greatly simplify the code in the process by
leveraging a scikit-learn DictVectorizer.
Merge pull request #462 from larsmans/sklearn

Support for non-numeric features in scikit-learn wrapper, using DictVectorizer
Merge branch 'master' of https://github.com/wooters/nltk

Framenet code
Fixed a couple of bugs in the demo() function.
Fixes for python3
Dropped clean_html and clean_url; use BeautifulSoup instead
restored open(fp) support to FileSystemPathPointer, cf issue 443
Merge pull request #466 from jskda/pull_request_open_FileSystemPathPointer

restored open(fp) support to FileSystemPathPointer, cf issue 443
Fixed to conform with PEP8
More PEP8 fixes
Added info to corpus.doctest and fixed the doctests in framenet.py
Merge branch 'master' of https://github.com/wooters/nltk
Added version to framenet corpus
Removed camelcase on function and attribute names
Merge branch 'master' of https://github.com/wooters/nltk
Code clean up and fixed empty except statements
Merge branch 'master' of https://github.com/wooters/nltk
Merge branch 'master' of https://github.com/nltk/nltk