To match the rest of the styling

As the screen api document mentions that it can be done statically, it's best to mention it here as well.

* Revert "Add custom bar button item class (#1641)"

This reverts commit 80ae102456.

* Revert "Export `Navigator` class for public use (#1647)"

This reverts commit 1770113321.

* Revert "Hide back button when calling resetTo (#1469)"

This reverts commit 518e372e05.

* Revert "Add isRootLaunched implementation on Android"

This reverts commit 6f4aca32a6.

* Revert "Fixed LightBox not updating overlay width/height on rotate (#1461)"

This reverts commit 54d2531720.

This allows for custom React Native views to be rendered as a bar button item in the navigation bar.

* Make Navigator Public

* Make Screen.js export both Screen and Navigator

* Update Navigation.js to import Screen correctly

* Make Navigator public for Android too

* Forgot to export after importing

* ESLint fix

* ESLint fix

* ESLint Fix

* ESLint Fix

* screen Background Color iOS

* ios v2 topBarTextFontFamily

* added topBarHidden to iOS

* minor fix and topBarHideOnScroll

* minor fix

* topBarButtonColor iOS

* topBarTranslucent iOS

* topBarTranslucent IOS minor fixes

* eslint fixes

* minor fixes

* screen Background Color iOS

* ios v2 topBarTextFontFamily

returns true if NavigationActivity is resumed (startApp was called)

* Fixed LightBox not updating overlay width/height on rotate

* Cleaned up bounds

* Removed unneeded call

See https://github.com/wix/react-native-navigation/issues/1446#issuecomment-319858633

Fixes #1609

* update docs for ios drawer animations in top-level-api section

* update docs for ios drawer animations in top-level-api section

* created RNNNavigationOptions

* created RNNRootViewControllerTest and added a test for the topBarBackgroundColor style

* working

* process navigationOptions colors

* created a test for new RNNRootViewController functionality

* changed RNNRootViewController to init with name, navigationOptions and container id, instead of node

* changed RNNRootViewController to get a new type - RNNavigationOptions

* refactored statusBarHidden test and implementation, all tests pass

* added setup to RNNRootViewControllerTest.m and refactored tests

* added test for title and implemented static title

* minor fixes

* removed redundant eslint config

* added topBarTextColor to RNNNavigationOptions

* topBarTextColor RNNRootViewController test

* changed setOptions to receive RNNNavigationOptions. created OptionsProcessor to process colors in both layoutTreeCrawler and Commands

* minor fix

* create setOptionsDynamically in RNNNavigationOptions to make dynamic options merge with static option instead of overriding them

* findcontainerId returns a RNNRootViewController , setOptions now merges styles with the static styles of the view

https://github.com/wix/react-native-navigation/issues/1446

To prevent race condition happening when the event was sent before the screen was mounted

* Update top-level-api.md (Added forgotten styles)

Added forgotten drawer style props.

* Added iOS only words to style objects