ndi.database.metadata_app.fun.add_to_database

 ADD_TO_DATABASE - add a list of documents to the database

  S = ndi.database.metadata_app..fun.ADD_TO_DATABASE(S, DOCUMENTLIST)

   Inputs:
     S - the ndi.session.dir object or ndi.dataset.dir object
     DOCUMENTLIST - a cell array of ndi.document objects

   Outputs:
     S - the ndi.session.dir object or ndi.dataset.dir object