Dump 3.1.0

Author: pissang

README.md

@@ -6,6 +6,10 @@
 
 ECharts is a free, powerful charting and visualization library offering an easy way of adding intuitive, interactive, and highly customizable charts to your commercial products. It is written in pure JavaScript and based on <a href="https://github.com/ecomfe/zrender">zrender</a>, which is a whole new lightweight canvas library.
 
+## Get ECharts
+
++ Download on [echarts.baidu.com](http://echarts.baidu.com/download.html)
++ `npm install echarts --save`
 
 ## Docs