make buildout pull dev branches of AccessControl and RestrictedPython

buildout.cfg

@@ -1,16 +1,36 @@
 [buildout]
-extends = https://raw.githubusercontent.com/zopefoundation/Zope/master/versions.cfg
+extensions = mr.developer
+
+extends =
+    https://raw.githubusercontent.com/zopefoundation/Zope/master/versions.cfg
+    https://raw.githubusercontent.com/zopefoundation/Zope/master/sources.cfg
+
 develop = .
-parts = interpreter test
+parts =
+  interpreter
+  test
+  coverage
+
+[sources]
+RestrictedPython = git ${remotes:github}/RestrictedPython pushurl=${remotes:github_push}/RestrictedPython branch=Python3_update
+AccessControl = git ${remotes:github}/AccessControl pushurl=${remotes:github_push}/AccessControl branch=py3-pure-python
 
 [versions]
 Products.PythonScripts =
+AccessControl =
+RestrictedPython =
 
 [interpreter]
 recipe = zc.recipe.egg
 interpreter = python
-eggs = Products.PythonScripts
+eggs =
+    Products.PythonScripts
 
 [test]
 recipe = zc.recipe.testrunner
 eggs = Products.PythonScripts
+
+[coverage]
+recipe = zc.recipe.testrunner
+eggs = Products.PythonScripts
+defaults = ['--coverage', '../../coverage', '-v', '--auto-progress']