Plone.reload

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- Minor packaging fixes. [gforcada, maurits]

----------------

- Update test assertions to avoid deprecation warnings under Python 2.7.
[hannosch]

- Relicensed to BSD.
[hannosch]

- Minor PEP8 cleanup.
[hannosch]

- Exclude tests from the shipped source distribution.
[hannosch, iElectric]

------------------

- Require at least Zope 2.12 / Python 2.6 and add preliminary support for
Zope 2.13 with Python 2.6 and 2.7.
[hannosch]

----------------

- Update license to GPL version 2 only.
[hannosch]

----------------

- Fixed some tests that relied on a specific directory layout.
[hannosch]

- Fixed a bug in dealing with class descriptors, like Five's BoundTemplateFile.
We replaced the descriptor with the descriptor result, leading to strange
problems. We check for those by looking directly into the ``__dict__`` and
comparing it to the result of a normal ``getattr`` call.
[hannosch, optilude]

----------------

- Use a different hook for providing the initial setup of tracked code files.
In Zope 2.12+ there's a proper event published right before the process has
started. If this is available we use it, instead of our no longer working
approach to hook ``setupFinalLogging``.
[hannosch]