ISY994 sensor improvements#10805

Merged

balloob merged 19 commits intohome-assistant:devfrom

OverloadUT:isy994_sensor_improvements

Dec 14, 2017

Commits on Nov 18, 2017

Fire events for ISY994 control events
OverloadUT
committed

Commits on Nov 27, 2017

Clean up from code review
OverloadUT
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Commits on Nov 30, 2017

Unknown value from PyISY is now -inf rather than -1
OverloadUT
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Commits on Dec 5, 2017

Move heartbeat handling to a separate sensor
OverloadUT
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Commits on Dec 6, 2017

Add support for Unknown state, which is being added in next PyISY
OverloadUT
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Merge branch 'dev' into isy994-control-events
OverloadUT
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Merge branch 'isy994-control-events' into isy994_sensor_improvements
OverloadUT
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Commits on Dec 7, 2017

Change a couple try blocks to explicit None checks
OverloadUT
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Commits on Dec 8, 2017

Commits on Dec 12, 2017