Fixed build and added distribution files to the repo

Gruntfile.js

@@ -26,9 +26,7 @@ module.exports = function(grunt) {
         prefix: '// @@',
       },
       main: {
-        // Files to perform replacements and includes with
         src: '<%= paths.srcFolder %>/css-layout.js',
-        // Destination directory to copy files to
         dest: '<%= paths.distFolder %>/css-layout.js'
       }
     },

README.md

@@ -29,8 +29,6 @@ computeLayout(
 ]}
 ```
 
-NOTE: You need to run the JavaScript build, as detailed below, before running this code.
-
 Supported Attributes
 --------------------
 

src/Layout.js

@@ -985,3 +985,7 @@ var computeLayout = (function() {
     extractNodes: extractNodes
   };
 })();
+
+if (typeof exports === 'object') {
+  module.exports = computeLayout;
+}