Merge branch 'bug28655' into develop

.test.requirements.txt

.travis.requirements.txt

CHANGELOG

bridgedb.conf

bridgedb/bridgerequest.py

bridgedb/bridges.py

bridgedb/filters.py

bridgedb/main.py

bridgedb/runner.py

bridgedb/test/test_distributors_moat_request.py

bridgedb/test/test_filters.py

bridgedb/test/test_https_distributor.py

bridgedb/test/test_main.py

bridgedb/test/util.py

doc/HACKING.md

scripts/setup-tests