flake8: reformatted rst.py
flake8: removed unused import, reformatted neo4j.py
replaced tiger.py/anaphoricity.py/rst.py cli w/ generic one
flak8: reformatted anaphoricity.py
flake8: removed unused imports
flake8: dg.py formatting
flake8: reformatted merging.py
added docstring to generic_converter_cli
flake8: reformatted util.py
flake8: ignore relable.py (I'd like to get rid of it soon)