WS-233: ALMA rawdata fetch

.../cli/executables/datafetcher/datafetcher/alma_db_utils.py

apps/cli/executables/datafetcher/datafetcher/datafetcher.py

...i/executables/datafetcher/datafetcher/locations_report.py

...cli/executables/datafetcher/datafetcher/ngas_retriever.py

...ecutables/datafetcher/datafetcher/oracle_xml_retriever.py

.../executables/datafetcher/datafetcher/retrieve_launcher.py

apps/cli/executables/datafetcher/tests/conftest.py

apps/cli/executables/datafetcher/tests/test_alma_fetch.py

apps/cli/executables/datafetcher/tests/test_datafetcher.py

apps/cli/executables/datafetcher/tests/test_df_cli.py

apps/cli/executables/datafetcher/tests/test_df_options.py

apps/cli/executables/datafetcher/tests/test_serialization.py

...er/tests/testresources/location_files/alma-execblock.json