add grunt for uglify and less

.gitignore

@@ -0,0 +1 @@
+node_modules

Gruntfile.js

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+module.exports = function(grunt) {
+  var bannerComment = ['/**!',
+    '*',
+    '* Copyright 2013 LinkedIn Corp. All rights reserved.',
+    '*',
+    '* Licensed under the Apache License, Version 2.0 (the "License");',
+    '* you may not use this file except in compliance with the License.',
+    '* You may obtain a copy of the License at',
+    '*',
+    '*     http://www.apache.org/licenses/LICENSE-2.0',
+    '*',
+    '* Unless required by applicable law or agreed to in writing, software',
+    '* distributed under the License is distributed on an "AS IS" BASIS,',
+    '* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.',
+    '* See the License for the specific language governing permissions and',
+    '* limitations under the License.',
+    '*/\n'].join('\n');
+
+  grunt.initConfig({
+    pkg: grunt.file.readJSON('package.json'),
+    uglify: {
+      options: {
+        banner: bannerComment
+      },
+      build: {
+        src:  'js/hopscotch-<%= pkg.version %>.js',
+        dest: 'js/hopscotch-<%= pkg.version %>.min.js'
+      }
+    },
+    less: {
+      development: {
+        options: {
+          paths: ["less"]
+        },
+        files: {
+          "css/hopscotch-<%= pkg.version %>.css": "less/hopscotch.less"
+        }
+      },
+      production: {
+        options: {
+          paths: ["less"],
+          yuicompress: true,
+          banner: bannerComment
+        },
+        files: {
+          "css/hopscotch-<%= pkg.version %>.min.css": "less/hopscotch.less"
+        }
+      }
+    }
+  });
+
+  // Load the plugin that provides the "uglify" task.
+  grunt.loadNpmTasks('grunt-contrib-uglify');
+  grunt.loadNpmTasks('grunt-contrib-less');
+  // Default task(s).
+  grunt.registerTask('default', ['uglify', 'less']);
+}