Domain level scripts

All domain levels may generate script hits and will get loaded in top-down order. For example, this is the order scripts will load for gist.github.com:

• _global.js
• com.js
• github.com.js
• gist.github.com.js

And the same goes for CSS:

• _global.css
• com.css
• github.com.css
• gist.github.com.css