Also cleaned up VisibilityAnimator.

* Fix disabledBackGesture.

This `return self._disableBackGesture ? self._disableBackGesture : YES;` check is incorrect, it's the same as `true ? true : true;`.
Also `_disableBackGesture` was never set. We should just `return disabledBackGestureBool` (bool value of the prop).

* [iOS] Enable back swipe gesture when a navBar is hidden. Resolves this issue: https://github.com/wix/react-native-navigation/issues/930

added 03d380f8a9 back and also applied this fix https://github.com/wix/react-native-navigation/issues/428#issuecomment-278268928 on top of it

* Revert accidental commit: 3cdb1b37f6

Added different tabbar label colors

Fix in android specific use case

fixes #1284 #1248

Also listen to contextualMenuDismissed event in Actions screen

- Adjust animation values
- Add drawUnderNavBar: true since it’s hidden. Should be done by the framework by default

This reverts commit 1f40a41a09.

* Move example to origin

* Minor tweeks to Masonry screen

- Adjust animation values
- Add drawUnderNavBar: true since it’s hidden. Should be done by the framework by default

Orientation was reverted to the app orientation each time modal was dismissed.

This reverts commit a2a9324b1e.

* Fix documentation website link

* Update docs

* navBarButtonColor was not applied to custom initial left button
* Dynamic custom button didn’t work
* Setting default icon (like menu or back button) after a custom icon was used didn’t work

Change bottom tab bar button image at runtime

Add setSubTitle implementation for iOS + docs

Fix dead link

Create BitmapDrawable using a constructor that actually uses the Resources reference

Some navBar button properties were marked as common by mistake.