Adding webpack code splitting (#3377)

webapp/components/claim/claim_controller.jsx

@@ -3,7 +3,7 @@
 
 import React from 'react';
 import {FormattedMessage} from 'react-intl';
-import {Link} from 'react-router';
+import {Link} from 'react-router/es6';
 
 import logoImage from 'images/logo.png';