Added flags to include option for only LPJ-Guess data and user-defined LPJG parameter file.
Added flags to include option for only LPJ-Guess data and user-defined LPJG parameter file.

Also added new logic to handle conflicting flags for exclusive data processing which works more straightforward if there are 3 or more components.
But the logic still needs to be modified if new components are added.

goord/ece2cmor3,goord/ece2cmor3