DON'T MERGE: software{erp5,kvm,slaprunner}: use slapos dev eggs

Taken from development.cfg

software/kvm/software-py3.cfg

@@ -2,9 +2,15 @@
 extends =
   ../../component/python3/buildout.cfg
   software.cfg
+# Development
+  ../../stack/slapos-dev.cfg
 
 python = python3.5
 
 # Ignore these for now
 common-parts -=
   rdiff-backup
+
+parts +=
+# Development eggs
+  ${:common-parts}

software/slaprunner/software-py3.cfg

@@ -2,9 +2,20 @@
 extends =
   ../../component/python3/buildout.cfg
   software.cfg
+# Development
+  ../../stack/slapos-dev.cfg
 
 python = python3.5
 
 # Ignore these for now
 common-parts -=
   rdiff-backup
+
+parts +=
+# Development eggs
+  ${:common-parts}
+
+[versions]
+slapos.cookbook =
+slapos.core =
+slapos.toolbox =

stack/erp5/buildout-py3.cfg

@@ -8,6 +8,10 @@ extends =
 
 python = python3.5
 
+[slapos.cookbook-repository]
+develop = true
+branch = zope4
+
 # XXX: ignore for now
 parts -=
 # Require a version compatible with Py3 (also need to update patches)

stack/slapos-dev.cfg

@@ -24,6 +24,7 @@ setup = ${slapos.toolbox-repository:location}
 
 [slapos.cookbook-repository]
 develop = true
+branch = zope4
 
 # Used for resiliency tests only
 [erp5.util-repository]