* Update Stacks{In,Over}Tabs example for better clarity
* Remove redundant navigationOptions in stack examples
* Update text in ReduxExample to clarify which route is being used
* [ReduxExample] Programmatically generate initial state
* [ReduxExample] Return original state if nextState is null
* [Docs] Add getStateForAction to redux integration example
* [Docs] Add link to ReduxExample app
* [Docs] Give each example a 'DRY' README linking to real docs
* [Docs] Clean up the Contributors guide a bit
* [Docs] Remove numbers from sections in Contributors guide
They don't seem very meaningful, and don't need to be done in order
* [Example] Get tests passing on ReduxExample and NavigationPlayground
* [CI] Use more vague versioning so we're always up to date
* [CI] Test that the example apps run without error
* [CI] Install the current local version of react-nav before testing
* Fix tabs => spaces in ReduxExample/package.json
* Remove LinkingExample entirely
It's now part of NavigationPlayground.
* [Example] Upgrade dependencies to fix the ReduxExample app
* [Example] Also upgrade and fix the LinkingExample app
* [Example] Update MainApplication.java to fix Android API
* [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
