Working version, three sensors serial ouptut only
Added readme
Merge branch 'master' of https://github.com/chipgarner/EdisonAirMonitor

Conflicts:
	AirQualityMonitor/AirQualityMonitor.vcproj
	AqmTests/AqmTests.vcproj
	AqmTests/ArduinoFake.cpp
	AqmTests/ArduinoFake.h
	AqmTests/DustSensorTests.cpp
	AqmTests/FakeArdiSerialOutput.h