Use a easier to identify test api key
Moved stuff into the client_firmware folder
Added eeprom saving features
Move root location of client_firmware
Get MY_ID from eeprom
Revert "Get MY_ID from eeprom"

This reverts commit f0e2748cc920441468860f424554afdbfd42460f.
Leave code in place for now, but revert back to DEFINEs for API stuff