Include allpy as done in trunk

buildout.cfg

 [buildout]
-develop =
-    .
+develop = .
 parts =
     test
     scripts
     zopepy
     docs
     alltests
+    allpy
 
 extends = versions.cfg
 unzip = true
 
+
 [test]
 recipe = zc.recipe.testrunner
 eggs = Zope2
 
+
 [scripts]
 recipe = zc.recipe.egg:scripts
 eggs = Zope2
 
+
 [zopepy]
 recipe = zc.recipe.egg
 eggs = Zope2
 interpreter = zopepy
 scripts = zopepy
 
+
 [docs]
 recipe = zc.recipe.egg
 eggs =  sphinx
 
+
 [alltests]
 recipe = zc.recipe.testrunner
 eggs =
@@ -106,3 +111,10 @@ eggs =
     python-gettext
 
 defaults = ['--module', '!^(zope[.]app)[.]']
+
+
+[allpy]
+recipe = zc.recipe.egg
+eggs = ${alltests:eggs}
+interpreter = allpy
+scripts = allpy