Add chef-ha and chef-sync to the list of addon packages
Merge pull request #590 from opscode/ssd/add-plugins-to-list-thing

Add chef-ha and chef-sync to the list of addon packages
fix version variable with unix
Merge pull request #584 from opscode/nls/oc-id-migrate-fix-of-a-fix

Set the oc_id migration VERSION variable to the version we need
Overwrite chef-server.rb with private-chef.rb if former is empty
Added -p.  Not needed for parent directories, but suppresses error if dir exists.