QB.chat.send() and QB.chat.sendSystemMessage() can return msg.id

Author: Vladlukhanin

README.md

@@ -20,7 +20,7 @@ For correct work of JS SDK you must include the  library in your html before `qu
 
 ```html
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/quickblox/2.3.3/quickblox.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/quickblox/2.3.4/quickblox.min.js"></script>
 ```
 
 ## Bower and RequireJS

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "quickblox",
   "description": "QuickBlox JavaScript SDK",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "homepage": "https://quickblox.com/developers/Javascript",
   "main": "quickblox.js",
   "license": "Apache 2.0",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "quickblox",
   "description": "QuickBlox JavaScript SDK",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "homepage": "https://quickblox.com/developers/Javascript",
   "main": "src/qbMain.js",
   "license" : "(Apache-2.0)",

quickblox.min.js

@@ -596,6 +596,8 @@ ChatProxy.prototype = {
             }
 
             connection.send(stanza);
+
+            return paramsCreateMsg.id;
         }
 
         if(Utils.getEnv().node) {
@@ -634,10 +636,12 @@ ChatProxy.prototype = {
                 xmlns: chatUtils.MARKERS.CLIENT
               }).c('moduleIdentifier').t('SystemNotifications').up();
 
-             stanza = chatUtils.filledExtraParams(stanza, message.extension);
+              stanza = chatUtils.filledExtraParams(stanza, message.extension);
             }
 
             connection.send(stanza);
+
+            return paramsCreateMsg.id;
         }
 
         if(Utils.getEnv().node) {

src/modules/qbChat.js

@@ -10,7 +10,7 @@
  */
 
 var config = {
-  version: '2.3.3',
+  version: '2.3.4',
   creds: {
     appId: '',
     authKey: '',