* ugraded to python 3

* upgrade pylint and pytest

* replaced StandardError

* exclude useless-object-inheritance

* python3 compatibilities uncovered by linting

* fixed tests

* fixed more python3 test incompatibilities

* refactored dev make targets

* added MatchingAnnotatorConfig

* extracted ratio constants

* added get_simple_fuzzy_match_filter

* minor model training logging improvement

* make port configurable

* added autocut-start-cloud

* added dev-venv target

* added subextract model

* added nltk dependency

* flake8 ignore line break before binary operator

* moved dev dependencies up

* added nltk punkt download

* added nltk download to dev-venv; pytest and pytest-not-slow target

* added subextract training pipeline

* added optional xpath namespaces

* log failed xml file

* use recover parser option

* added subextract app

* start subextract server

* renamed to autocut

* declare slow and very_slow pytest markers

* make autocut main test as slow

* fixed post data

* updated README

* also build non-dev image as part of ci

* added pytest.ini to dev image

* added Makefile; optionally install dev requirements

* added ci-build-and-test

* use ci-build-and-test

* don't install dev dependencies as part of project_tests

* renamed to dev

* use PROJECT_FOLDER for consistency with other projects

* change order of tests run