Made new Kegerator.py file based on the ShedMonitor.py
Added a search of paths to the Adafruit executable.  Need to make this more general.

Also added option in __init__() to specify pin number.
Lots of changes.  Now reads DHT22 along with DS18B20 sensors.  Added code to plot the temperatures.
Changed data format in data file.

Tweaks to plotting.  Now plots case temperature as well.