cloudooo: Git cloudooo revision pin

  The development speed of cloudooo is quite stable, so there are
  no reason to preserver the cloudooo unpinned.

component/cloudooo/buildout.cfg

@@ -14,6 +14,7 @@ recipe = slapos.recipe.build:gitclone
 repository = https://lab.nexedi.com/nexedi/cloudooo.git
 branch = master
 git-executable = ${git:location}/bin/git
+revision = 0ff799ebcfea1013342f5450e88ff5c3b8536e89
 
 [cloudooo]
 recipe = zc.recipe.egg