Use 'create-react-class' package instead of React.createClass

Closes #29

Author: MichaelDeBoey

package.json

@@ -27,6 +27,7 @@
   },
   "homepage": "https://github.com/akiran/react-highlight",
   "dependencies": {
+    "create-react-class": "^15.5.2",
     "highlight.js": "^9.11.0",
     "react": "^15.5.4",
     "react-dom": "^15.5.4"

src/index.js

@@ -1,8 +1,9 @@
 var hljs = require('highlight.js');
 var React = require('react');
+var createReactClass = require('create-react-class');
 var ReactDOM = require('react-dom');
 
-var Highlight = React.createClass({
+var Highlight = createReactClass({
   getDefaultProps: function () {
     return {
       innerHTML: false,

src/optimized.js

@@ -1,12 +1,13 @@
 var hljs = require('highlight.js/lib/highlight');
 var React = require('react');
+var createReactClass = require('create-react-class');
 var ReactDOM = require('react-dom');
 
-var Highlight = React.createClass({
+var Highlight = createReactClass({
   getDefaultProps: function () {
     return {
       innerHTML: false,
-      className: "",
+      className: '',
       languages: []
     };
   },