install, deploy and execute starling

starling.sh

sudo gem install starling memcache-client
sudo mkdir /var/spool/starling
sudo /usr/sbin/adduser --shell /sbin/nologin starling
sudo mkdir -p /var/spool/starling
sudo mkdir -p /var/run/starling
sudo chown starling:starling /var/spool/starling
sudo chown starling:starling /var/run/starling
sudo -u starling /usr/bin/starling --log /var/log/starling.log -v --queue_path /var/spool/starling --host 127.0.0.1 --port 15151 --pid /var/run/starling/starling.pid -d
/path/to/rails/app/script/workling_starling_client start