Added stub for CLI subcommand 'bake'

Documented version 1 of the recipe file format in README.md
Created a small script to hash some data; I used it when writing the README.md
Bumped up the version number in package.json
cli.js is now a proxy for a CoffeeScript implementation
Added command line processing (and help text) for the bake command
Added a stub function for bake in kitchen.coffee