Support for R1 Neo hardware. New variant and baseboard class.
* Known issues:
- power management is not currently supported
- power off via long button press is not implemented
Add support for Epson Seiko RX8130CE I2C Real-time clock.
* repeater and room server: ver bump (v5), now use AutoDiscoverRTCClock
* various Board::begin() now should do Wire.begin(), with custom pin mappings if needed
* examples removed: ping client/server, and test_admin