Don't block with a missing DHT11 sensor

Mosquitto init does several tries before giving up. The DHT11 sensor now uses a temperature offset too.

Added lock/pid file

Added user log with temperatures and cooler state

Added user log function for program data

Added library code to read DHT11 temperature/humidity sensor

(0) -30 -10 -6 +6 +10 +30 +100 +300 tip

mercurial