/**
  * Get existing stories by release id
  *
  * @return IStory list
  */
 public ArrayList<StoryObject> getExistingStories() {
   ArrayList<StoryObject> stories = null;
   ProductBacklogLogic productBacklogLogic = new ProductBacklogLogic(mProject);
   stories = productBacklogLogic.getExistingStories();
   return stories;
 }