Update badges to badgen.net

This is a new faster and better looking service for badges.

Author: vinkla

README.md

@@ -2,9 +2,9 @@
 
 A simple picker for React Native.
 
-[![Latest Version](https://img.shields.io/npm/v/react-native-simple-picker.svg)](https://www.npmjs.com/package/react-native-simple-picker)
-[![Total Downloads](https://img.shields.io/npm/dt/react-native-simple-picker.svg)](https://www.npmjs.com/package/react-native-simple-picker)
-[![License](https://img.shields.io/npm/l/react-native-simple-picker.svg)](LICENSE)
+[![Latest Version](https://badgen.net/npm/v/react-native-simple-picker)](https://www.npmjs.com/package/react-native-simple-picker)
+[![Total Downloads](https://badgen.net/npm/dt/react-native-simple-picker)](https://www.npmjs.com/package/react-native-simple-picker)
+[![License](https://badgen.net/npm/license/react-native-simple-picker)](LICENSE)
 
 [<img src="https://cloud.githubusercontent.com/assets/499192/14314055/79b56344-fbf5-11e5-9813-66a2d2a040c7.gif" width="350">](https://cloud.githubusercontent.com/assets/499192/14314055/79b56344-fbf5-11e5-9813-66a2d2a040c7.gif)