Packaging

[hayesall]

This pull request converts this project into a Python package: rnlp.

Major Changes

• Renamed parseInputCorpus.py -> rnlp/parse.py
• Removed the call to main() at the last line of parse.py.
• Created docs directory with Makefile and source directory for building pages with Sphinx.
• Added setup.py and setup.cfg files for publishing to PyPi.

Minor, But Worth Mentioning

• New file: rnlp/corpus.py, currently empty but will contain example documents for testing and helping to get up-and-running.
• Removed train directory since it contained learned models for the toy dataset rather than anything that would generally be useful here.