title: Passing data to component created with navigational class
body: <p>I've been reading this article:
  <a href="https://medium.com/react-native-training/react-native-navigator-experimental-part-2-implementing-redux-c6acbf66eca1#.agnioxycv" rel="nofollow noreferrer">https://medium.com/react-native-training/react-native-navigator-experimental-part-2-implementing-redux-c6acbf66eca1#.agnioxycv</a></p>
  
  <p>and implemented this navigation solution with redux and NavigationCardStack. What I don't understand is what would be efficient way to pass data to the component created in NavRoot class.
  So for instance there is this About component and I need to pass some sort of data to it, could be anything. How should I go about it not increaseing complexity too much?</p>
  
  <p>The only way I see now is by passing data to NavRoot component itself, but that would really escalate complexity and defeat the purpose of navigation class being only about navigation.</p>