Use custom alert that can be displayed multiple times in quick succession

* Fix Options.copy
* Screens are now by default drawBehind: false

relates to #2711

fixes #2711

* android sdk fix

* detox android support

* detox android support

* android detox fixes

* android fixes

* more android e2e fixes

* typo fix

* build fix

* remove specific test for ios

* Update DetoxTest.java

* lint fix

* fixed typo

* Update ViewController.java

* added script for android detox e2e

* detox android support

* android detox fixes

* android fixes

* more android e2e fixes

* typo fix

* build fix

* remove specific test for ios

* Update DetoxTest.java

* lint fix

* fixed typo

* Update ViewController.java

* added script for android detox e2e

* e2e test fixes

* Update Orientations.test.js

* Update ScreenStack.test.js

* Update ScreenStyle.test.js

* Update TopLevelApi.test.js

- fix import statement
- add use case (stack)

* v2-customButtons

* Update RNNRootViewController.m

This reverts commit 90b47f7910.

* Extract Modal to separate class
* Test ModalStack

* detach tab after attaching new tab

* Fix tests

Apparently runOnPreDraw is not enough anymore, possibly broke in RN 0.51

* Use AHBottomNavigation for BottomTabs

* Process passed options for all layout types

Static options are still processed only for components

* ios e2e fix

* Update RNNNavigationController.m

* custom titleView support

* custom navBar and titleView support

Support for react-native 0.52.0

Rename `DevCommandsHandlerProxy` to `DevHelperProxy` so it reflects the changes in RN. See d19afc73f5