Create README.md
Update README.md
Merge branch 'master' of ssh://github.com/wwkayak/arduino-stuff
Changed the class heirarchy. Made SensorWidget an abstract class to
provide more default implementations of basic drawing, mouse handling,
etc... Added the GaugeThermometer (still needs text on gauge)
Merge branch 'master' of ssh://github.com/wwkayak/arduino-stuff