Rails 3.0 introduced support for routing constrained by subdomains.
A subdomain can be specified explicitly, like this:
match '/' => 'home#index', :constraints => { :subdomain => 'www' }
cd ~/Library/Application\ Support/Sublime\ Text\ 2/Packages
git clone git://github.com/jashkenas/coffee-script-tmbundle CoffeeScript
git clone https://github.com/miksago/jade-tmbundle.git Jade
git clone https://github.com/LearnBoost/stylus.git Stylus