Ally-Py generic plugins
Installing user management:
pip install -e git+https://github.com/sourcefabric/Ally-Py.git@apy-8-implement-x-filter#egg=ally \
--install-option="--add-git=git+https://github.com/superdesk/ally-py-common#egg=ally-py-common" \
--install-option="--install=ally-user-management"