Fix some README issues

Change-Id: I3ea39e01f30a6e909d4cb6f481ab5a5f705819da

Author: morganchen12

FirebaseAuthUI/README.md

@@ -55,7 +55,7 @@ Auth guides at the following links:
 ### Configuration
 
 All operations, callbacks, UI customizations are done through an `FUIAuth`
-instance. The `FUIAuth` instance associated with the default `FIRAuth`
+instance. The `FUIAuth` instance associated with the default Firebase Auth
 instance can be accessed as follows:
 
 ```swift
@@ -90,7 +90,7 @@ let providers: [FUIAuthProvider] = [
   FUIGoogleAuth(),
   FUIFacebookAuth(),
   FUITwitterAuth(),
-  FUIPhoneAuth(authUI:FUIAuth.defaultAuthUI()),
+  FUIPhoneAuth(authUI: FUIAuth.defaultAuthUI()),
 ]
 self.authUI?.providers = providers
 ```
@@ -154,7 +154,7 @@ present the `authViewController` obtain as instance as follows:
 // Present the auth view controller and then implement the sign in callback.
 let authViewController = authUI!.authViewController()
 
-func authUI(_ authUI: FUIAuth, didSignInWithAuthDataResult authDataResult: FIRAuthDataResult?, error: Error?){
+func authUI(_ authUI: FUIAuth, didSignInWithAuthDataResult authDataResult: AuthDataResult?, error: Error?) {
   // handle user (`authDataResult.user`) and error as necessary
 }
 ```

FirebasePhoneAuthUI/README.md

@@ -31,8 +31,7 @@ In order to use Phone Auth you should initialize Phone provider and add it to th
 ```swift
 // Swift
 import Firebase
-import FirebaseAuthUI
-import FirebasePhoneAuthUI
+import FirebaseUI
 
 /* ... */
 
@@ -43,8 +42,7 @@ FUIAuth.defaultAuthUI()?.providers = [phoneProvider]
 
 ```objective-c
 // Objective-C
-@import FirebaseAuthUI;      // OR #import <FirebaseAuthUI/FirebaseAuthUI.h>
-@import FirebasePhoneAuthUI; // OR #import <FirebasePhoneAuthUI/FUIPhoneAuth.h>
+@import FirebaseUI;
 
 /* ... */
 
@@ -55,7 +53,7 @@ FUIPhoneAuth *phoneProvider = [[FUIPhoneAuth alloc] initWithAuthUI:[FUIAuth defa
 
 ### Sign In
 
-To start the authentication flow: 
+To start the authentication flow:
 
 ```swift
 // Swift
@@ -69,9 +67,6 @@ FUIPhoneAuth *phoneProvider = [FUIAuth defaultAuthUI].providers.firstObject;
 [phoneProvider signInWithPresentingViewController:currentlyVisibleController phoneNumber:nil];
 ```
 
-## Customizing
-Customizing of Phone Auth is planned to be implemented in 2017 Q4
-
 ## Integration cheat sheet
 Here you can find steps things that need to be checked in case of any issues with Firebase Phone Auth integration problems.
 
@@ -85,7 +80,7 @@ In case  need to handle push notifications yourself:
 <br>In this case The type of the token (production or sandbox) will be attempted to be automatically detected. There is other method to set it manually.
 1. In the `AppDelegate` `application:didReceiveRemoteNotification:fetchCompletionHandler:` call `[FUIAuth.defaultAuthUI.auth canHandleNotification:userInfo]`
 1. In the `AppDelegate` `application:didFinishLaunchingWithOptions:` call `[FIRApp configure]`
-1. In the `AppDelegate` `application:openURL:options:` return `[FUIAuth.defaultAuthUI handleOpenURL:url sourceApplication:sourceApplication]` 
+1. In the `AppDelegate` `application:openURL:options:` return `[FUIAuth.defaultAuthUI handleOpenURL:url sourceApplication:sourceApplication]`
 1. Add `REVERSED_CLIENT_ID` as URL scheme to `Project settings`
 1. Add `GoogleService-Info.plist` to your project
 1. In you controller call:
@@ -105,4 +100,4 @@ You can skip all errors, FirbaseUI Phone Auth will display all error messages fo
 If you don't need to handle APNS yourself, than don't do steps 3, 4, 5.
 
 Please notice that you can use either APNS key OR APNS certificate.
-<br>One APNS Key can be used for all your iOS app from the same Apple Developer account.
+<br>One APNS Key can be used for all your iOS app from the same Apple Developer account.