Initial revision
Updates for framenet corpus reader
Merge branch 'master' of https://github.com/wooters/nltk

Framenet code
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