------------------
- Fix: Resolution order buildout extends chain was wrong. Also documented the
resolution order and included in own builodut a small example.
[jensens]
- Fix: Formatter printed a newline to much after ``required by``.
[jensens]
- Fix: Do not complain about missing track file. If it is not there,
the buildout is simply not using the buildout extension. [maurits]
- Fix 13: Added missing ``zc.buildout`` requirement. [maurits]