Merge branch 'replace-connexion' into 'staging'

jass/__main__.py

jass/controllers/__init__.py

jass/controllers/default_controller.py

jass/encoder.py

jass/models/project.py

jass/server.py

jass/swagger/swagger.yaml

jass/test/__init__.py

jass/test/test_server.py

requirements.txt

setup.py