kumofs : use python2.6 and use 'parts=' and add explicit libxslt part

software/kumofs/software.cfg

@@ -8,13 +8,12 @@ extensions =
   slapos.zcbworkarounds
   slapos.rebootstrap
 
-find-links +=
+find-links =
     http://www.nexedi.org/static/packages/source/slapos.buildout/
 
 extends =
   ../../component/git/buildout.cfg
   ../../component/kumo/buildout.cfg
-  ../../component/python-2.6/buildout.cfg
   ../../component/python-2.7/buildout.cfg
   ../../component/dcron/buildout.cfg
   ../../component/stunnel/buildout.cfg
@@ -27,6 +26,7 @@ parts +=
 # Create instance template
 #TODO : list here all parts.
   template
+  libxslt
   eggs
   instance-recipe-egg
 
@@ -51,12 +51,12 @@ module = kumofs
 # - we cannot rely on anything else being executed before [instance-recipe]
 slaposcookbook_dummy = ${slaposcookbook:location}
 recipe = zc.recipe.egg
-python = python2.6
+python = python2.7
 eggs = ${instance-recipe:egg}
 
 [eggs]
 recipe = zc.recipe.egg
-python = python2.6
+python = python2.7
 eggs =
   ${lxml-python:egg}