* Assign commandId to async commands
* CommandListener refactor
Pull listener out of Navigator and implement NativeCommandListener for native commands
* Emit onNavigationEvent when commands complete
* Rename timestamp to completionTime
* Rename NavigationEvent to EventEmitter
* Rename sendOnNavigationButtonPressed to emitOnNavigationButtonPressed
* Emit navigationEvent on bottom tab select
* rebase fix
* Emit commandCompleted event instead of nativeEvent
* fix native ios commands
* wait show and dismiss Overlay
* Initial orientation implementation on Android
* Disable custom animations for now
* FIx OverlayManager
Keep view references instead of View id as id's can change by react
* Work on ModalStack
* resolve dismissModal promise after dismiss ends
* Send didDisappear when Modal is displayed
* Send didAppear to root when Modal is dismissed
* Introduce new API:
* onViewLostFocus
* onViewRegainedFocus
* Fix MockPromise - it can be used only once
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