There are 7 hwmon devices on this system
The 'g-properties-changed' signal is too chatty for 'No Battery found'

Hooking update_battery to this signal causes numerous, unneccesary logs
saying 'SM: No Battery found'. This is particularly irksome when no
battery exists - say on a desktop.
Merge pull request #250 from rbellamy/master

Add another hwmon index and less chatty logs