added "Author" headers
removed unused imports
fixed docstrings
fixed bug in nltk.tokenize.simple.CharTokenizer
pep-8 variable names in nltk.parse.stanford
use staticmethod when possible for nltk.parse.stanford
added nltk.tokenize.stanford, cf https://github.com/nltk/nltk/issues/558
added the 'options' flag to specify a dictionary of options to the stanford tokenizer
added some demo usages to nltk.tokenize.stanford
removed conversion to byte strings after decoding stdout, as unicode should be returned
use Ewan Klein's solution to https://github.com/nltk/nltk/issues/521
some PEP-8 variable name fixes
Merge pull request #571 from jskda/pull_request.521

Pull request for  Ewan Klein's solution to https://github.com/nltk/nltk/issues/521
added an option to use regexes for find_jar()
added iterator versions of find functions in nltk.internals
use the latest model that's available instead of hard-coding the model name
converted the demo in nltk.tokenize.stanford into a doctest demo
Merge pull request #573 from jskda/pull_request.stanford_parser

Pick up the latest version of the stanford parser model that is available
resolved conflicting import statement