public DevelopmentService(IBlogRepository blogRepository, IReleaseRepository releaseRepository, 
			IProjectRepository projectRepository)
        {
            _blogRepository = blogRepository;
            _releaseRepository = releaseRepository;
            _projectRepositry = projectRepository;

            _dataAggregator = new DataAggregator();
        }
 public ReleaseDataService(IReleaseWorkItemRepository releaseWorkItemRepository)
 {
     _releaseWorkItemRepository = releaseWorkItemRepository;
     _releaseDataAggregator = new DataAggregator();
 }