Implemented proposed changes

Author: maurer2

docs/rules/sort-comp.md

@@ -211,7 +211,8 @@ var Hello = createReactClass({
 ```jsx
 class Hello extends React.Component {
   renderButton = () => {}
-  onClick = () => {}
+  onClick = this.onClick.bind(this);
+  onClick() {}
   render() {
     return <div>Hello</div>;
   }
@@ -232,7 +233,8 @@ var Hello = createReactClass({
 
 ```jsx
 class Hello extends React.Component {
-  onClick = () => {}
+  onClick = this.onClick.bind(this);
+  onClick() {}
   renderButton = () => {}
   render() {
     return <div>Hello</div>;