User can specify the interval of data chunk in the workflow archiving dataturbine data to metacat
In the current workflow, it chops the data from the last archiving time to latest data stamp if there is no metadata change.
However, the workflow should have a feature that let user to specify the interval of dataset. For example, user can specify the interval to be month. So one dataset will have the all data generated in one month, such as March. The next dataset will contain the data in April.