removes render form from example app

As discussed here 851e3c1#commitcomment-17818287

Will keep render as Easter egg

Closes #13

README.md

@@ -43,9 +43,10 @@ Look at `app/routes.js` and play around with the app to get a feel for what's po
 ### Usage
 
 ```javascript
-import { Router, Route, render } from 'react-router-native';
+// index.[ios|android].js
 
-const APP_KEY = 'app'
+import { AppRegistry } from 'react-native';
+import { Router, Route, TabsRoute } from 'react-router-native';
 
 const App = (props) => (/*...*/);
 const About = (props) => (/*...*/);
@@ -55,7 +56,7 @@ const User = (props) => (/*...*/);
 const UserHeader = (props) => (/*...*/);
 const NoMatch = (props) => (/*...*/);
 
-render((
+const routes = (
   /* Address Bar can be toggled on or off by setting the addressBar prop */
   <Router addressBar>
     <TabsRoute
@@ -70,7 +71,9 @@ render((
     </TabsRoute>
     <Route path="*" component={NoMatch}/>
   </Router>
-), APP_KEY);
+);
+
+AppRegistry.registerComponent('YourApp', () => () => routes);
 ```
 
 ### Advanced Usage

examples/Aviato/index.ios.js

@@ -1,12 +1,4 @@
-import { render } from 'react-router-native';
+import { AppRegistry } from 'react-native';
 import routes from './app/routes';
 
-render(routes, 'Aviato');
-
-//
-// - or -
-//
-//
-// import { AppRegistry } from 'react-native';
-//
-// AppRegistry.registerComponent('Aviato', () => () => routes);
+AppRegistry.registerComponent('Aviato', () => () => routes);