[#42224671] Add aliquot_type attribute. Apply the aliquot type in target plate.
[#42224671] Add comments
[#42224671] Update plate transfer spec with aliquot_type
[#42224671] Refactoring
[#42224671] Test aliquot type on target and source
[#42224671] Test aliquot type on target and source
Merge pull request #72 from llh1/42224671_use_aliquot_type_in_plate_transfer

42224671 use aliquot type in plate transfer