Update installation.md
Created by: weiweijeff
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production should be done after Nginx be installed
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: weiweijeff
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production should be done after Nginx be installed