update badge [ci-skip]

yyx990803 · yyx990803 · commit e822de664aee · 2016-05-23T13:37:54.000-04:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# vue-loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![npm package](https://badge.fury.io/js/vue-loader.svg)](https://www.npmjs.com/package/vue-loader)
+# vue-loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![npm package](https://img.shields.io/npm/v/vue-loader.svg?maxAge=2592000)](https://www.npmjs.com/package/vue-loader)
 
 > Vue.js component loader for [Webpack](http://webpack.github.io).
 

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`1`		`-# vue-loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![npm package](https://badge.fury.io/js/vue-loader.svg)](https://www.npmjs.com/package/vue-loader)`
	`1`	`+# vue-loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![npm package](https://img.shields.io/npm/v/vue-loader.svg?maxAge=2592000)](https://www.npmjs.com/package/vue-loader)`
`2`	`2`
`3`	`3`	`> Vue.js component loader for [Webpack](http://webpack.github.io).`
`4`	`4`