Note: We switched from Puma in GitLab 5.4 to unicorn in GitLab 6.0.
* Make `/home/git/gitlab/config/gitlab.yml` the same as https://github.com/gitlabhq/gitlabhq/blob/master/config/gitlab.yml.example but with your settings.
* Make `/home/git/gitlab/config/unicorn.rb` the same as https://github.com/gitlabhq/gitlabhq/blob/master/config/unicorn.rb.example but with your settings.