Update to RC 4

Author: edgarmueller

package-lock.json

@@ -3,8 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@jsonforms/core": "2.0.0-rc.3",
-    "@jsonforms/material-renderers": "2.0.0-rc.3",
+    "@jsonforms/core": "2.0.0-rc.4",
+    "@jsonforms/material-renderers": "2.0.0-rc.4",
     "react": "16.2.0",
     "react-dom": "16.2.0",
     "react-redux": "5.0.6",

package.json

@@ -2,7 +2,8 @@ import {connect} from 'react-redux';
 import React, {Component} from 'react';
 import logo from './logo.svg';
 import './App.css';
-import {JsonForms, getData} from '@jsonforms/core';
+import { getData } from '@jsonforms/core';
+import { JsonForms } from '@jsonforms/react';
 
 
 class App extends Component {