Move Object.h from meta/ to base/.
DebugObject: Port to Object framework.
Remove unneeded dummy members and Object::self calls.
I2cEeprom: Support 64KiB EEPROM.
aprinter-rampsfd: Enable EEPROM support.

Untested, my old RAMPS-FD board doesn't have EEPROM.
RuntimeManager: Hardcode M command numbers.
aprinter-teensy3: Enable runtime configuration management.

No EEPROM storage for now.
aprinter-4pi: Enable runtime config and storage to flash.

Untested.
Configuration: Try to put option names in program memory on AVR.
RuntimeConfigManager: Put more things in program memory.