* message on dev list change
* dc detect
* added sht3x sensor.
* separete environment data from light
* max17055 moved to i2c dev
* sht fix, goterror detection fix
* fix ext sensor app display for a lot of devices.
* added bh1750 driver
* autoscan on main view
* added devlist mutex
* better timing
* fix h2 sw8 on poweron by usb
