ERP5: pin revision

stack/erp5/buildout.cfg

@@ -61,7 +61,6 @@ extends =
 
 parts =
   erp5-util-develop
-  slapos-cookbook-develop
   slapos-cookbook
   rdiff-backup
   aspell
@@ -616,8 +615,8 @@ pysvn = 1.7.4nxd006
 # we are still using this old stable version.
 rdiff-backup = 1.0.5
 
-# use newest version of slapos.cookbook
-slapos.cookbook =
+# use newest version of slapos.cookbook at time of release
+slapos.cookbook = 0.102
 
 # modified version that works fine for buildout installation
 SOAPpy = 0.12.0nxd001