Hello,

After updating to React 15.0.1, we are getting the following error:

```
Uncaught TypeError: Cannot read property 'addEventListener' of null
```

![image](https://cloud.githubusercontent.com/assets/4996164/14602577/5bb4e9f2-0571-11e6-9aa1-98de49f50d76.png)

Component.displayName || Component.name || 'Component'
      );
      inst = new StatelessComponent(Component);
    }
    if (__DEV__) {
      
      
      if (inst.render == null) {
        warning(
          false,
          '%s(...): No `render` method found on the returned component ' +
          'instance: you may have forgotten to define `render`.',
          Component.displayName || Component.name || 'Component'
        );
      }
      var propsMutated = inst.props !== publicProps;
      var componentName =
        Component.displayName || Component.name || 'Component';
      warning(
        inst.props === undefined || !propsMutated,
        '%s(...): When calling super() in `%s`, make sure to pass ' +
        'up the same props that your component\'s constructor was passed.',
        componentName, componentName
      );
    }
    
    
    inst.props = publicProps;
    inst.context = publicContext;
    inst.refs = emptyObject;