1.add bower support

2.optimize internal function

Author: huangxin03

Gruntfile.js

@@ -4,25 +4,29 @@ module.exports = function(grunt) {
         pkg: grunt.file.readJSON('package.json'),
         concat: {
             options: {
-                separator: '\n\n'
+                separator: '\n\n',
+				banner: '/*! <%= pkg.name %> v<%= pkg.version %>  <%= grunt.template.today("yyyy-mm-dd") %> */\n'
             },
-            dist: {
+            basic: {
                 src: ['src/intro.js', 'src/utils.js', 'src/event.js', 'src/config.js', 'src/gestures.js', 'src/api.js', 'src/outro.js'],
-                dest: 'dist/<%= pkg.name %>-<%= pkg.version %>.js'
-            }
+                dest: '<%= pkg.name.slice(0,-2) %>.js'
+            },
+			extras: {
+				src: ['src/intro.js', 'src/utils.js', 'src/event.js', 'src/config.js', 'src/gestures.js', 'src/api.js', 'src/outro.js'],
+                dest: 'dist/<%= pkg.name.slice(0,-2) %>-<%= pkg.version %>.js'
+			}
         },
-
         jshint: {
             files: ['Gruntfile.js', 'src/utils.js', 'src/event.js', 'src/config.js', 'src/gestures.js', 'src/api.js']
         },
-
         uglify: {
             options: {
-                banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'
+                banner: '/*! <%= pkg.name %>.min v<%= pkg.version %>  <%= grunt.template.today("yyyy-mm-dd") %> */\n'
             },
             dist: {
                 files: {
-                    'dist/<%= pkg.name %>-<%= pkg.version %>.min.js': ['<%= concat.dist.dest %>']
+                    '<%= pkg.name.slice(0,-2) %>.min.js': ['<%= concat.basic.dest %>'],
+					'dist/<%= pkg.name.slice(0,-2) %>-<%= pkg.version %>.min.js': ['<%= concat.basic.dest %>'],
                 }
             }
         }

bower.json

@@ -0,0 +1,23 @@
+{
+  "name": "touchjs",
+  "version": "0.2.13",
+  "description": "clouda event and gesture lib touch.js",
+  "main": "touch.js",
+  "keywords": [
+    "touchjs",
+    "gesture",
+	"clouda"
+  ],
+  "authors": [
+    "huangxin"
+  ],
+  "license": "MIT",
+  "homepage": "http://code.baidu.com",
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests"
+  ]
+}

dist/touch-0.2.12.js

@@ -1,3 +1,4 @@
+/*! touchjs v0.2.12  2014-02-24 */
 'use strict';
 (function(root, factory) {
     if (typeof define === 'function' && (define.amd || define.cmd)) {
@@ -63,7 +64,7 @@ utils.forceReflow = function() {
 };
 
 utils.simpleClone = function(obj) {
-    return JSON.parse(JSON.stringify(obj));
+	return Object.create(obj);
 };
 
 utils.getPosOfEvent = function(ev) {