* Update TopBar docs (animateHide -> animate)

* Update BottomTabs docs (animateHide -> animate)

* Update Navigation.push docs

* docs/installation-android: remove "@Nullable" annotation

* Docs/SideMenu: Add 'center' prop

* Rename TopBar.animateHide to animate

also fix some options in playground app

* Consolidate topBar visibility in childWillDisappear

* Rename BottomTabs.animateHide to animate

* basic fab

* fab menu

* fab menu clicks

* pop lifecycle

* options lifecycle

* refactoring

* refactor

* parse unit tests

* refacotr

* fix test

* align

* fab unit tests

* more tests

* size

* hide on scroll in progress

* options

* menu collapse

* parser test

* merge v2

* refactor

* refactor

* more refactor

* more refactor

* fix

* more refactoring

* refactor

* refactor

* fix

* fix

* fixed undefined key

* refactor

* refactor

* refactort

* Hide topBar with animation by default

* fix unit tests

Closes #2685

* Initial implementation of willAppear and willDisappear

Currently only implemented on pop in StackController

* call clearOptions on super
* TopTabs visible

* fix unit

* generate id only when not already provided

* allows passing id

* fixes #2652

* applyOptions is applied in correct order

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

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

* android sdk fix