Read/store/graph readings from TEMPer USB Thermometer
cronjobs - entries to add to scheduler to take readings and to update graph images
readings.sql - table structure
hr/day/week/month/allgraph.py - scripts to read db and creat png images to save in /var/www/html/
readtemp.py - executes precompiled pcsensor application and inserts into db while saving reading to a log file
www/index.html - simple html file to load precreated images for users