Log Message:
Update py-nose to 1.3.0

Many bug fixes including

- Added support for Python 3.3.
- Fixed a bug in xunit that was causing it to die ungracefully under
  Python 3. (#134)
- Taught the test suite to skip coverage tests if the coverage module is not
  available. (#597)

See CHANGELOG or http://nose.readthedocs.org/en/latest/news.html
for full list.