Telnet spy would not work in AP only mode
LVC would not allow start when in warning mode, and LVC warning always started at 12/24V
Added "No GPIO" option for new boards with C6 fitted as a 0R
Replaced ` with clean degree symbol in standard font & arial 8
Removed temp offset from fuel cal screen
GUI alignment tweaks to avoid cutoffs
Better handling of single DS18B20 with BME280
Added bounds limits to Exponential Mean
Sorted inheritance from CSensor properly
Returned to compact timer icon, press centre button to see start/stop times in base menus
Version info screen refactored to show available version number
New splash screen now presented upon display for a short time after upload or rename to /splash.bmp
