Update README docs

Author: rogerhu

README.md

@@ -65,7 +65,7 @@ For more information about Parse and its features, see [the website][parseplatfo
       ```
 
   - [ ] Downloaded and added [google-services.json](https://support.google.com/firebase/answer/7015592) to your `app/` dir from your Firebase app.
-  - [ ] Added `ParseFirebaseInstanceIdService` and `ParseFirebaseMessagingService` to your `AndroidManifest.xml` file (see [docs](http://docs.parseplatform.org/tutorials/android-push-notifications/))
+  - [ ] Added `ParseFirebaseInstanceIdService` and `ParseFirebaseMessagingService` to your `AndroidManifest.xml` file (see [docs](https://github.com/parse-community/Parse-SDK-Android/blob/master/fcm/README.md)
   - [ ] Removed `GcmBroadcastReceiver`, `PushService`, `com.parse.push.gcm_sender_id` if upgrading from GCM.
 
   Assuming these major steps are done, adding the `parse-fcm-android` package will automatically instantiate a [ParseFirebaseJobService](https://github.com/parse-community/Parse-SDK-Android/blob/master/fcm/src/main/java/com/parse/fcm/ParseFirebaseJobService.java) that will register for a FCM token when the app starts.   See the setup instructions below to verify that FCM registration works.

fcm/README.md

@@ -52,6 +52,12 @@ After these services are registered in the Manifest, you then need to register y
 </receiver>
 ```
 
+After this, you are all set. Adding the `parse-fcm-android` package will include a [ParseFirebaseJobService](https://github.com/parse-community/Parse-SDK-Android/blob/master/fcm/src/main/java/com/parse/fcm/ParseFirebaseJobService.java) in the `AndroidManifest.xml` file that will register for a FCM token when the app starts.  You should see `ParseFCM: FCM registration success` messages assuming you have enabled logging:
+
+```java
+Parse.setLogLevel(Parse.LOG_LEVEL_DEBUG);
+```
+
 ## Custom Notifications
 If you need to customize the notification that is sent out from a push, you can do so easily by extending `ParsePushBroadcastReceiver` with your own class and registering it instead in the Manifest.