- Add crc16 utility function
- Implement CRC16 for config store, remove old checksum, increment layout version
- Move UBL mesh store/load to MarlinSettings; increment UBL_VERSION
- Begin to lay out MAT structure, prototype functions, etc.
- Rename ubl.state.eeprom_storage_slot to .storage_slot
- Misc. optimization
- Cleanup/standardize/improve some messages
This is a work in progress!