slaprunner: Update to buildout 2.

software/slaprunner/common.cfg

@@ -36,6 +36,11 @@ common-parts =
   rdiff-backup
   pbs-recipe-egg
 
+extensions -=
+  buildout-versions
+
+show-picked-versions = true
+
 parts =
   ${:common-parts}
 
@@ -220,3 +225,7 @@ recipe = zc.recipe.egg
 interpreter = pythonwitheggs
 eggs +=
   supervisor
+
+[versions]
+zc.buildout = 2.5.2+slapos002
+zc.recipe.egg = 2.0.3+slapos001