Fixed a couple of bugs in the demo() function.
Fixes for python3
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
separated framenet and propbank into their own doctest files
added howto link
Merge branch 'master' of https://github.com/nltk/nltk
preparing to publish howtos
added missing doctests
docstring normalisations