raised the version number
upgrade setup.py, r=lars

* Use setuptools instead so we can do things like setup.py bdist_wheel
* Change test runner so that setup.py test actually runs with nose
* Correct URL
* Use codecs to read the README in case it ever contains non-ascii characters
bumped up the version number
MPL 2.0, r=lars
bump version for setuptools and MPL 2.0