Added note about Gulp to readme (not implemented yet)

readme.md

@@ -3,10 +3,11 @@ The Lab: The Great Grunt Shootout
 
 This repository contains the source code for the above [Lab episode](http://www.letscodejavascript.com/v3/episodes/lab/1) of James Shore's [Let's Code: Test-Driven JavaScript](http://www.letscodejavascript.com) screencast. Let's Code: Test-Driven JavaScript is a screencast series focused on rigorous, professional JavaScript development.
 
-This episode was focused on comparing Grunt and Jake, two automated build tools for JavaScript. Grunt was evaluated in comparison to Jake by reimplementing the [Automatopia project](https://github.com/jamesshore/automatopia)'s primary build script in Grunt.
+This episode was focused on comparing [Grunt](http://gruntjs.com/) and [Jake](https://github.com/mde/jake), two automated build tools for JavaScript. Grunt was evaluated in comparison to Jake by reimplementing the [Automatopia project](https://github.com/jamesshore/automatopia)'s primary build script in Grunt.
 
 To evaluate the results yourself, compare `Gruntfile.js` to `Jakefile.js`. For more information, [watch the screencast](http://www.letscodejavascript.com/v3/episodes/lab/1).
 
+*Update, 11 January 2014:* Added a [Gulp](http://gulpjs.com/) implementation of the build. See `Gulpfile.js` and compare it to `Gruntfile.js` and `Jakefile.js`.
 
 Building and Testing
 --------------------
@@ -24,6 +25,8 @@ To build (and test):
 2. Start the browsers you want to test and point each one at `http://localhost:8080`.
 3. Run `./jake.sh` (Unix/Mac) or `jake` (Windows) every time you want to build and test.
 
+Use `./grunt.sh` (or `grunt` on Windows`) instead of `./jake.sh` (or `jake`) to use Grunt instead of Jake. Use `./gulp.sh` (or `gulp`) to use Gulp.
+
 
 License
 -------