Add grunt files to create gh-page branch

.gitignore

@@ -1 +1,3 @@
 *~
+gh-pages/
+node_modules/

Gruntfile.js

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+module.exports = function (grunt) {
+  grunt.initConfig({
+    'copy': {
+      dev: {
+        files: [{
+          expand: true,
+          src: './images/*',
+          dest: './gh-pages/'
+        }, {
+          src: './index.html',
+          dest: './gh-pages/index.html'
+        }, {
+          src: './css/style.css',
+          dest: './gh-pages/css/style.css'
+        }, {
+          src: './js/wheel.js',
+          dest: './gh-pages/js/wheel.js'
+        }, {
+          src: './js/stats.min.js',
+          dest: './gh-pages/js/stats.min.js'
+        }]
+      }
+    },
+
+    uglify: {
+      options: {
+        mangle: true,
+        report: "gzip"
+      },
+      my_target: {
+        files: [{
+          'gh-pages/js/orbit.js': ['js/orbit.js']
+        }, {
+          'gh-pages/js/three.js': ['js/three.js']
+        }, {
+          'gh-pages/js/slotmachine.js': ['js/slotmachine.js']
+        }]
+      }
+    }
+
+  });
+  grunt.loadNpmTasks('grunt-contrib-copy');
+  grunt.loadNpmTasks('grunt-contrib-uglify');
+  grunt.registerTask('default', ['uglify', 'copy']);
+};

package.json

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+{
+  "devDependencies": {
+    "grunt": "^0.4.5",
+    "grunt-contrib-copy": "^0.8.0",
+    "grunt-contrib-uglify": "^0.9.1"
+  }
+}