added grunt

.gitignore

 _site/
 .sass-cache/
-.DS_STORE
\ No newline at end of file
+.DS_STORE
+node_modules
+build
+dist
\ No newline at end of file

Gruntfile.js

+module.exports = function(grunt)
+{
+
+    // Project configuration.
+    grunt.initConfig(
+    {
+        pkg: grunt.file.readJSON('package.json'),
+        uglify:
+        {
+            options:
+            {
+                banner: '/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n'
+            },
+            build:
+            {
+                files:
+                {
+                    'build/emoji.min.js': ['js/app.js', 'js/config.js', 'js/emojiDirectives.js', 'js/emojiFilters.js']
+                }
+            }
+        },
+
+        jshint:
+        {
+            options:
+            {
+                jshintrc: '.jshintrc'
+            },
+            all: ['Gruntfile.js', 'js/*.js']
+        }
+    });
+
+    // Load the plugin that provides the "uglify" task.
+    grunt.loadNpmTasks('grunt-contrib-uglify');
+    grunt.loadNpmTasks('grunt-contrib-jshint');
+
+    // Default task(s).
+    grunt.registerTask('default', ['uglify']);
+
+};

package.json

+{
+  "name": "angular-emoji-popup",
+  "version": "1.0.0",
+  "description": "Angular Emoji Popup ",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/madhur/angular-emoji-popup.git"
+  },
+  "author": "Madhur Ahuja",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/madhur/angular-emoji-popup/issues"
+  },
+  "homepage": "https://github.com/madhur/angular-emoji-popup",
+  "devDependencies": {
+    "grunt": "^0.4.5",
+    "grunt-contrib-jshint": "^0.10.0",
+    "grunt-contrib-uglify": "^0.7.0"
+  }
+}