basenode with converter and sens emon done

1) to do level tank -hardware in progres
2) future - RTC 2 options, EEPROM, JEEBOOT
Separate structure, can be modyfied easy for using for base and node in
one file -for converter needed in base side.
Added multiply DS with adress searching also
Addede converter to redable data form in base
Added level tank and cleeaning code
Only Atmega 328 - best is NANO , for full sensnodetx options - may be
will be tune to reduce program size below 16 kB