* 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.
* Initial commit
* Remove HybridExample (#985)
* Remove HybridExample
* Remove last mention of HelloHybrid
* Remove console log
* Fix flow and example
* Fix routers api docs
* Keep options in single place
* chore
* Fix styling
* Organise miscs
* Better flow type for screen options
* Flow test website and add more types to options
* navigationOptions instead of prevOptions makes more sense
* Fixes
* Fix up docs
* Fix
* Update route decl
* Provide error when removed API is used
* Remove lock
* Add validators
* Make StacksOverTabs config valid again
* Do not return
* Fix redbox
* [Playground] Duplicate StacksInTabs to StacksOverTabs
* [Playground] Move nested routes into root stack so they appear on top
* [Playground] Go to SettingsTab instead of pushing a new Settings screen
