Update README badges

Author: 利辺羅エルネスト

README.md

@@ -2,9 +2,10 @@
 NBUImagePicker
 ==============
 
-[![Pod Platform](https://cocoapod-badges.herokuapp.com/p/NBUImagePicker/badge.svg)](http://cocoadocs.org/docsets/NBUImagePicker/)
-[![Version 1.3.2](https://cocoapod-badges.herokuapp.com/v/NBUImagePicker/badge.png)](http://cocoadocs.org/docsets/NBUImagePicker/)
-[![Build Status](https://travis-ci.org/CyberAgent/iOS-NBUImagePicker.png?branch=master)](https://travis-ci.org/CyberAgent/iOS-NBUImagePicker)
+[![Platform: iOS](https://img.shields.io/cocoapods/p/NBUImagePicker.svg?style=flat)](http://cocoadocs.org/docsets/NBUImagePicker/)
+[![Version: 1.3.2](https://img.shields.io/cocoapods/v/NBUImagePicker.svg?style=flat)](http://cocoadocs.org/docsets/NBUImagePicker/)
+[![License: Apache 2.0](https://img.shields.io/cocoapods/l/NBUImagePicker.svg?style=flat)](http://cocoadocs.org/docsets/NBUImagePicker/)
+[![Build Status](http://img.shields.io/travis/CyberAgent/iOS-NBUImagePicker/master.svg?style=flat)](https://travis-ci.org/CyberAgent/iOS-NBUImagePicker)
 
 Modular and fully customizable UIImagePickerController replacement with Simulator-compatible AVFondation camera, AssetsLibrary and custom directory assets' browser, and image cropping, filters and gallery.