Do not send queued messages repeatedly because they are never cleared

Author: PerkinsZhu

Source/library/src/main/java/im/delight/android/ddp/Meteor.java

@@ -1241,7 +1241,8 @@ private void announceSessionReady(final boolean signedInAutomatically) {
 mCallbackProxy.onConnect(signedInAutomatically);
 
 // try to dispatch queued messages now
-for (String queuedMessage : mQueuedMessages) {
+String queuedMessage = null;
+while ((queuedMessage = mQueuedMessages.poll()) != null) {
 send(queuedMessage);
 }
 }