Unit test added - need to call generic importer service and create integration tests.
Incorporating call to the service - not working
Calling the dataImportService. Missing integration test only.
Integration test for dataImportService added
formatting
Merge branch 'feature/new_mdr_core' of github.com:ModelCatalogue/modelcatalogue into feature/new_mdr_core
Merge branch 'feature/new_mdr_core_COSDImporter' of github.com:ModelCatalogue/modelcatalogue into feature/new_mdr_core

Conflicts:
	test/unit/resources/DataTemplate.xls
Bug fix: empty parent model