Merge pull request #6 from pumazi/py3

PyCon 2013 sprint - buildout changes

buildout.cfg

 [buildout]
+extensions = mr.developer
 develop = .
 parts =
     test
     scripts
 versions = versions
+always-checkout = true
+auto-checkout = *
 
 [versions]
 zc.recipe.testrunner = 2.0.0
 zc.lockfile = 1.1.0
 zope.interface = 4.0.3
-ZConfig = 3.0.2
+ZConfig = 3.0.3
 BTrees = 4.0.5
 persistent = 4.0.6
 transaction = 1.4.1
 zdaemon = 4.0.0a1
 
+[sources]
+zodbpickle = git https://github.com/zopefoundation/zodbpickle.git
+
 [test]
 recipe = zc.recipe.testrunner
 eggs =