New AMR Rule: transduction.atomic_individual_extractor

tenet/scheme/amr_rule/__init__.py

...heme/amr_rule/transduction/atomic_individual_extractor.py

...scheme/amr_rule/transduction/atomic_property_extractor.py

tenet/scheme/amr_scheme_1.py

...dev_tests/test_data/atom-extraction-devGraph-1.result.ttl

tests/dev_tests/test_data/atom-extraction-devGraph-2.ttl

tests/dev_tests/test_rule_atomic_extractor.py