Merge branch 'release-0.4.4'

CHANGELOG

README.rst

client/changes/VERSION_COMPAT

client/src/leap/soledad/client/__init__.py

client/src/leap/soledad/client/target.py

common/changes/VERSION_COMPAT

common/pkg/requirements-testing.pip

common/pkg/tools/with_venvwrapper.sh

common/src/leap/soledad/common/crypto.py

common/src/leap/soledad/common/tests/test_crypto.py

common/src/leap/soledad/common/tests/test_soledad.py

common/src/leap/soledad/common/tests/u1db_tests/README

run_tests.sh

scripts/README.rst

scripts/client-side-db.py

scripts/develop_mode.sh

scripts/server-side-db.py