* Renamed 'docs' to 'docsrc'.
* Renamed 'HISTORY.rst' to 'CHANGES.rst'.
* Renamed 'LICENSE' to 'LICENSE.txt'.
* Added VERSION file to be the one and only place for the version number.
* Added setup.cfg so that 'python setup.py upload_docs'
  found the HTML documentation built from Sphinx.
* Added 'coverage' and 'flake8' environments to tox.ini.
* Edited MANIFEST.in to match new files and name changes.
* Added some additional directories and files to .gitignore.