__file__ to fail.

paths were used, causing setup to fail when run from a different
directory.

Updated release information.

versions.

Fixed a bug in installing by direct egg download.

the version of python used to run the tests is not Python-2.3.

Use pypi as the index when running these tests. This is,
unfortunately, necessary because when installing a source distro for
another version of Python, we need to download setuptools for the
desired version.  Maybe in the future we can figure out a way for the
tests to use a local copy of setuptools.

egg is not important.

API. This allowed the tests to be simplified somewhat.

https://launchpad.net/products/zc.buildout/+bug/60582

Don't use extensions when bootstrapping.

This makes things go a little faster, makes errors a little easier to
handle, and allows extensions (like the sftp extension) to influence
more of the process.

adding sftp support to buildouts that need it.

Updated doc.

Cleaned up the implementation to make greater use of and duplicate
less code from zc.buildout.easy_install.