Made a model to represent the thermometers, so they can handle their own recording and logging to redis
Made the spreadsheet interface more generic;
Removed Therm module
Correcting some typos
Subclassing display for default connection settings
Fixed errors
Removed display stuff
Renamed the relay pin and removed pusher
Trying to store temperature readings in the Thermometer Class instance instead of redis, the threaded callback from the flow meter should be able to access this
Reading temperature from the themometer instance