Bumping to 3.1.0

Author: Pauan

README.md

@@ -44,6 +44,7 @@ How to use
 
 ```js
 React.createElement(AmCharts.React, {
+  className: "my-class",
   style: {
     width: "100%",
     height: "500px"
@@ -61,6 +62,7 @@ Or alternatively if you are using JSX:
 
 ```js
 <AmCharts.React
+  className="my-class"
   style={{
     width: "100%",
     height: "500px"
@@ -111,6 +113,14 @@ You can see an example program in the `examples/webpack-export` folder. It updat
 
 ## Changelog
 
+### 3.1.0
+
+* Adding in `className` property for specifying the CSS class for the element.
+
+### 3.0.3
+
+* Fixing version ranges for `react` and `react-dom`
+
 ### 3.0.0
 
 * Rather than passing in the configuration directly, instead you must pass in the configuration using the new `options` property.

amcharts3-react.js

@@ -276,7 +276,6 @@ console.warn("Version 1.0 is outdated. Please upgrade to version 2.0:\nhttps://g
     render: function () {
       return React.DOM.div({
         id: this.state.id,
-        className: this.props.className || null,
         style: {
           width: this.props.width || "100%",
           height: this.props.height || "100%"