Get rid of gitlab user
Change gitlab branch to 5.3
Add upgrade warning to readme
Add gitlab-shell
Update gitlab config file
Fix template path
Update version of Ruby 1.9.3 used
Replace unicorn with puma
Update init script
Create sockets dir
Force setting up the database, and bypass the interactive prompt, by setting an environment variable.
Create repositories directory, else the rake db setup command fails.
Run the gitlab-shell install script which creates the repositories dir
Remove default nginx vhost so that it doesn't override the gitlab vhost
Fix gitlab-shell install command
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