Store key values in EEPROM

[allpowerlabs]

Format? Per sensor/motor block?

[nanomonkey]

Created Config display screen where custom configurations like whether 20k vs 10k, Relay Board, Fet Blower can be set.

These values are stored in the eeprom on values 500-999.

Sensor values will be stored from 1000 to 4000.
Internal hard coded eeprom readings will be from 0-499.