wallknob: Combine compressor indicators into one character, and add an indicator for battery charging
libfreeabode: simple logging framework
nbp: Use new logging framework
tstat: Use new logging framework
wallknob: Prepare for multiple windows in weather_thread
wallknob: Implement HVAC indicator below goal
wallknob: Abstract my_win_init function
wallknob: Implement independent charging indicator
wallknob: Shrink temperature/goal window to make room for humidity
wallknob: Implement humidity window