feat: update to React v15.0.1

Author: ruanyf

README.md

@@ -72,15 +72,15 @@ ReactDOM.render(
 );
 ```
 
-Attention, you have to use `<script type="text/babel">` to indicate JSX codes, and include `browser.min.js`, which is a [browser version](https://babeljs.io/docs/usage/browser/) of Babel and could be get inside a [babel-core](https://www.npmjs.com/package/babel-core) npm release, to actually perform the transformation in the browser.
+Attention, you have to use `<script type="text/babel">` to indicate JSX codes, and include `browser.min.js`, which is a [browser version](https://babeljs.io/docs/usage/browser/) of Babel and could be get inside a [babel-core@5](https://www.npmjs.com/package/babel-core) npm release, to actually perform the transformation in the browser.
 
 Before v0.14, React use `JSTransform.js` to translate `<script type="text/jsx">`. It has been deprecated ([more info](https://facebook.github.io/react/blog/2015/06/12/deprecating-jstransform-and-react-tools.html)).
 
 ## Demo02: Use JavaScript in JSX
 
 [demo](http://ruanyf.github.io/react-demos/demo02/) / [source](https://github.com/ruanyf/react-demos/blob/master/demo02/index.html)
 
-You could also use JavaScript in JSX. It takes angle brackets (&lt;) as the beginning of HTML syntax, and curly brackets ({) as the beginning of JavaScript syntax.
+You could also use JavaScript in JSX. It takes angle brackets (&lt;) as the beginning of HTML syntax, and curly brackets (`{`) as the beginning of JavaScript syntax.
 
 ```js
 var names = ['Alice', 'Emily', 'Kate'];