Add new role, interpreter.ruby.
Add new role, daemon.ruby.unicorn.
Add daemon.ruby.unicorn vars.
Update ruby_app.yml to use daemon.ruby.unicorn.
Move the get-pip.py in the supervisor.local.
Update daemon.php.php-fpm.
Update disk.shared.
Fix the nginx_vars["fastcgi_pass"] of the http-server.nginx.
Update the interpreter.php's package requirements.
Change the ownership of the interpreter.php's lib directory.
Change the ownership of the interpreter.ruby's gem directory.
Change the kvs.redis.shared starting method.