Fix appLaunched and button press events on iOS

lib/ios/RNNCommandsHandler.m

 	[self assertReady];
 	
 	[_modalManager dismissAllModals];
-	[_eventEmitter sendOnNavigationComment:setRoot params:@{@"layout": layout}];
+	[_eventEmitter sendOnNavigationCommand:setRoot params:@{@"layout": layout}];
 
 	UIViewController *vc = [_controllerFactory createLayoutAndSaveToStore:layout];
 	
 
 -(void) mergeOptions:(NSString*)componentId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:mergeOptions params:@{@"componentId": componentId, @"options": options}];
+	[_eventEmitter sendOnNavigationCommand:mergeOptions params:@{@"componentId": componentId, @"options": options}];
 
 	UIViewController* vc = [_store findComponentForId:componentId];
 	if([vc isKindOfClass:[RNNRootViewController class]]) {
 
 -(void) setDefaultOptions:(NSDictionary*)optionsDict completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:setDefaultOptions params:@{@"options": optionsDict}];
+	[_eventEmitter sendOnNavigationCommand:setDefaultOptions params:@{@"options": optionsDict}];
 	[_controllerFactory setDefaultOptionsDict:optionsDict];
 }
 
 -(void)push:(NSString*)componentId layout:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion rejection:(RCTPromiseRejectBlock)rejection {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:push params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:push params:@{@"componentId": componentId}];
 	UIViewController<RNNRootViewProtocol> *newVc = [_controllerFactory createLayoutAndSaveToStore:layout];
 	[_navigationStackManager push:newVc onTop:componentId completion:^{
 		completion();
 
 -(void)setStackRoot:(NSString*)componentId layout:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion rejection:(RCTPromiseRejectBlock)rejection {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:setStackRoot params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:setStackRoot params:@{@"componentId": componentId}];
 
 	UIViewController<RNNRootViewProtocol> *newVc = [_controllerFactory createLayoutAndSaveToStore:layout];
 	[_navigationStackManager setStackRoot:newVc fromComponent:componentId completion:^{
 
 -(void)pop:(NSString*)componentId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion rejection:(RCTPromiseRejectBlock)rejection {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:pop params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:pop params:@{@"componentId": componentId}];
 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		completion();
 
 -(void) popTo:(NSString*)componentId completion:(RNNTransitionCompletionBlock)completion rejection:(RCTPromiseRejectBlock)rejection {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:popTo params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:popTo params:@{@"componentId": componentId}];
 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		completion();
 
 -(void) popToRoot:(NSString*)componentId completion:(RNNTransitionCompletionBlock)completion rejection:(RCTPromiseRejectBlock)rejection {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:popToRoot params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:popToRoot params:@{@"componentId": componentId}];
 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		completion();
 
 -(void) showModal:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:showModal params:@{@"layout": layout}];
+	[_eventEmitter sendOnNavigationCommand:showModal params:@{@"layout": layout}];
 	UIViewController<RNNRootViewProtocol> *newVc = [_controllerFactory createLayoutAndSaveToStore:layout];
 	[_modalManager showModal:newVc completion:^{
 		completion();
 
 -(void) dismissModal:(NSString*)componentId completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:dismissModal params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:dismissModal params:@{@"componentId": componentId}];
 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		completion();
 
 -(void) dismissAllModalsWithCompletion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:dismissAllModals params:@{}];
+	[_eventEmitter sendOnNavigationCommand:dismissAllModals params:@{}];
 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		completion();
 
 -(void)showOverlay:(NSDictionary *)layout completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:showOverlay params:@{@"layout": layout}];
+	[_eventEmitter sendOnNavigationCommand:showOverlay params:@{@"layout": layout}];
 	UIViewController<RNNRootViewProtocol>* overlayVC = [_controllerFactory createOverlay:layout];
 	[_overlayManager showOverlay:overlayVC completion:^{
 		completion();
 
 - (void)dismissOverlay:(NSString*)componentId completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-	[_eventEmitter sendOnNavigationComment:dismissModal params:@{@"componentId": componentId}];
+	[_eventEmitter sendOnNavigationCommand:dismissModal params:@{@"componentId": componentId}];
 	[_overlayManager dismissOverlay:componentId completion:^{	
 		completion();
 	}];

lib/ios/RNNEventEmitter.h

 
 -(void)sendOnNavigationEvent:(NSString *)commandName params:(NSDictionary*)params;
 
--(void)sendOnNavigationComment:(NSString *)commandName params:(NSDictionary*)params;
+-(void)sendOnNavigationCommand:(NSString *)commandName params:(NSDictionary*)params;
 
 @end

lib/ios/RNNEventEmitter.m

 
 RCT_EXPORT_MODULE();
 
-static NSString* const onAppLaunched	= @"RNN.onAppLaunched";
+static NSString* const onAppLaunched	= @"RNN.appLaunched";
 static NSString* const componentDidAppear	= @"RNN.componentDidAppear";
 static NSString* const componentDidDisappear	= @"RNN.componentDidDisappear";
-static NSString* const onNavigationButtonPressed	= @"RNN.onNavigationButtonPressed";
-static NSString* const onNavigationCommand	= @"RNN.onNavigationCommand";
-static NSString* const onNavigationEvent	= @"RNN.onNavigationEvent";
+static NSString* const commandComplete	= @"RNN.commandCompleted";
+static NSString* const navigationEvent	= @"RNN.nativeEvent";
 
 -(NSArray<NSString *> *)supportedEvents {
-	return @[onAppLaunched, componentDidAppear, componentDidDisappear, onNavigationButtonPressed, onNavigationCommand, onNavigationEvent];
+	return @[onAppLaunched, componentDidAppear, componentDidDisappear, commandComplete, navigationEvent];
 }
 
 # pragma mark public
 }
 
 -(void)sendOnNavigationButtonPressed:(NSString *)componentId buttonId:(NSString*)buttonId {
-	[self send:onNavigationButtonPressed body:@{@"componentId":componentId , @"buttonId": buttonId}];
+	[self send:navigationEvent body:@{@"name": @"buttonPressed", @"params": @{@"componentId": componentId , @"buttonId": buttonId}}];
 }
 
--(void)sendOnNavigationComment:(NSString *)commandName params:(NSDictionary*)params {
-	[self send:onNavigationButtonPressed body:@{@"commandName":commandName , @"params": params}];
+-(void)sendOnNavigationCommand:(NSString *)commandName params:(NSDictionary*)params {
+	[self send:navigationEvent body:@{@"commandName":commandName , @"params": params}];
 }
 
 -(void)sendOnNavigationEvent:(NSString *)commandName params:(NSDictionary*)params {
-	[self send:onNavigationEvent body:@{@"commandName":commandName , @"params": params}];
+	[self send:navigationEvent body:@{@"commandName":commandName , @"params": params}];
 }
 
 - (void)addListener:(NSString *)eventName {