Plone.testing

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

Fixes:

- Rename all txt doctest files to rst. Reformat doctests.
[thet]

- PEP 8.
[thet]

- Depend on zope.testrunner, which was moved out from zope.testing.testrunner.
[thet]

- Add support for Zope 4.
[thet]

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- Prevent exception masking in finally clause of zopeApp context.
[do3cc]

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

- Rerelease for clarity due to double release of 4.0.13.
[maurits]

- Added ``multiinit``-parameter to z2.installProduct to allow multiple initialize methods for a package
[tomgross]

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

- Really fix not to depend on unittest2.
[icemac]

- Add tox.ini
[icemac]

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

- Fixed AttributeError when importing ``plone.testing.z2`` if ``zope.testbrowser`` 4.x is used but not ``zope.app.testing``.
[icemac]

- Broke dependency on `unittest2` for Python 2.7+ as all features of `unittest2` are integrated in `unittest` there.
[icemac]

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

- Fix z2.txt doctest for FTP_SERVER.
[timo]