Fixed Message Response Failed

The client was expecting the wrong ID so it won't accept
any messages from the server.

Author: vaage

src/codeu/chat/client/View.java

@@ -126,7 +126,7 @@ public Collection<Message> getMessages(Collection<Uuid> ids) {
       Serializers.INTEGER.write(connection.out(), NetworkCode.GET_MESSAGES_BY_ID_REQUEST);
       Serializers.collection(Uuid.SERIALIZER).write(connection.out(), ids);
 
-      if (Serializers.INTEGER.read(connection.in()) == NetworkCode.GET_CONVERSATIONS_BY_ID_RESPONSE) {
+      if (Serializers.INTEGER.read(connection.in()) == NetworkCode.GET_MESSAGES_BY_ID_RESPONSE) {
         messages.addAll(Serializers.collection(Message.SERIALIZER).read(connection.in()));
       } else {
         LOG.error("Response from server failed.");