Merge branch 'flake8_3.6.0' into 'master'

Control/AthenaCommon/CMakeLists.txt

Control/AthenaCommon/python/CfgMergerLib.py

Control/AthenaCommon/python/ConfigurationShelve.py

Control/AthenaCommon/python/DumpProperties.py

Control/AthenaCommon/python/Include.py

Control/AthenaCommon/python/JobProperties.py

Control/AthenaConfiguration/python/ComponentAccumulator.py

Control/AthenaConfiguration/python/UnifyProperties.py

External/AtlasPyFwdBwdPorts/CMakeLists.txt

External/AtlasPyFwdBwdPorts/src/flake8-3.3.0.tar.gz

External/AtlasPyFwdBwdPorts/src/flake8-3.6.0.tar.gz

External/AtlasPyFwdBwdPorts/src/pycodestyle-2.3.1.tar.gz

External/AtlasPyFwdBwdPorts/src/pycodestyle-2.4.0.tar.gz

External/AtlasPyFwdBwdPorts/src/pyflakes-1.5.0.tar.gz

External/AtlasPyFwdBwdPorts/src/pyflakes-2.0.0.tar.gz

HLT/Trigger/TrigControl/TrigCommon/bin/athenaHLT.py

...riggerCommon/TriggerJobOpts/python/TriggerConfigGetter.py