Refactoring start scripts: fix bug in sbatch command, remove scenario name from name of log.txt so the rs script can easily find it.

Refactoring start scripts: adapt coupling scripts, call SLURM directly without the detour via cmd files

Refactoring start scripts: adapt coupling scripts (get rid of *.cmd files by creating the SLURM command on the fly)

Refactoring: -start scripts (part 5): renamed submit_run(cfg) into submit.R(cfg), deleted conopt files

Refactoring: - part 2: restructure start scripts (try to minimize workload for the login node on the cluster when starting a REMIND run by moving code into scripts that are included in the slurm job)

Refactoring: - restructure start scripts (try to minimize workload for the login node on the cluster when starting a REMIND run by moving code into scripts that are included in the slurm job)