Merge pull request #136 from hydraZty/webview

@BugFix, Webview does not show in the release version

Author: somonus

src/components/Echarts/index.js

@@ -33,6 +33,7 @@ export default class App extends Component {
             backgroundColor: this.props.backgroundColor || 'transparent'
           }}
           scalesPageToFit={Platform.OS !== 'ios'}
+          originWhitelist={['*']}
           source={require('./tpl.html')}
           onMessage={event => this.props.onPress ? this.props.onPress(JSON.parse(event.nativeEvent.data)) : null}
         />