tkretschmer-rb

1) Delete the line containing 'unicorn' from Gemfile
2) Add the following line under the "Servers" section
    gem "puma", "~> 1.6.3"
3) From /home/gitlab/gitlab run
    sudo bundle install --no-deployment
4) From /home/gitlab/gitlab run the install command that fits the database you are using, I use MySQL
    sudo -u gitlab -H bundle install --deployment --without development test postgres
5) Create a new file config/puma.rb. Put the following inside it
    #!/usr/bin/env puma