* [Example] Fix the ReduxExample app
Just a bit of cleanup so it can run.
* [Example] Remove AsyncStorage persistence from ReduxExample
It's a cool feature, but isn't necessary to demonstrate how to use
react-navigation and may cause more confusion than it's worth.
* [Redux example] Use HTTPS-enabled endpoint to get npm modules
To fix 'yarn install'
* [Redux example] Add ReduxExample to rn-cli.config.js
This prevents those annoying @providesModule naming collisions
* [Examples] Add a basic README linking to the usage instructions
