- stuff related to %PARALLEL_RUN_IFS%, %PARALLEL_RUN_ECEARTH% and...

- stuff related to %PARALLEL_RUN_IFS%, %PARALLEL_RUN_ECEARTH% and %PARALLEL_RUN_NEMO% has been restructured
- the idea is to keep the configureation stuff clean and meaningful
- accordingly templates for ifs, ecarth and nemo has been updated
- in ithaca.conf %PARALLEL_RUN_NEMO% has also introduced