renamed and cleaned up cloud messaging module - inline with web api

Author: Salakar

lib/modules/cloudmessaging.js lib/modules/messaging.jslib/modules/cloudmessaging.js renamed to lib/modules/messaging.js

@@ -1,10 +1,14 @@
 import { NativeModules, NativeEventEmitter } from 'react-native';
+import { Base } from './base';
+import promisify from '../utils/promisify';
+
 const FirestackCloudMessaging = NativeModules.FirestackCloudMessaging;
 const FirestackCloudMessagingEvt = new NativeEventEmitter(FirestackCloudMessaging);
 
-import promisify from '../utils/promisify'
-import { Base, ReferenceBase } from './base'
-export class CloudMessaging extends Base {
+/**
+ * @class Messaging
+ */
+export class Messaging extends Base {
   constructor(firestack, options = {}) {
     super(firestack, options);
   }
@@ -18,7 +22,7 @@ export class CloudMessaging extends Base {
     return promisify(() => sub, FirestackCloudMessaging)(sub);
   }
 
-  // android & ios api
+  // android & ios api dfgsdfs
   onMessageReceived(...args) {
     return this.onMessage(...args);
   }
@@ -129,5 +133,3 @@ export class CloudMessaging extends Base {
     this._off('FirestackUpstreamSend');
   }
 }
-
-export default CloudMessaging