assemble/gray-matter — pull request #1 by RobLoach (2014-03-16 10:12:17+00:00)
Title: Make CoffeeScript an optional dependency

Having CoffeeScript defined in `dependencies` makes it download in every package that uses gray-matter. Moving into `devDependencies` will make it only install `coffee-script` when the package explicitly asks for the CoffeeScript support.