for Python 3.

  >=2.0dev in addition to being simple versions.

Son't set buildout:accept-buildout-test-releases. It isn't used any
more.

Maybe we can work with older versions of the egg recipe and other
recipes that biuild on it, making rollout of buildout 2 a bit simpler.

warning.

Add Python 3 trove classifier to setup.py so that Python 3 wall of shame...

I don't have any Windows VM anymore, so I didn't run the tests there. But the diff looks good and the tests continue to pass on my Mac. So I'll merge this as-is.

should pass a full environment. The rest of the buildout code already
does this.