Working directories

In GitLab by @hehnen1 on Nov 4, 2017, 15:43

I think it might be a good idea to create another layer of working directories, based on the simulation setup set. Right now, when we want to run multiple simulation setups they all create their own working directories on the same level, e.g. where the `input.py` is located. However, it might be good to provide the setup set with a directory creation task as well. Within this directory all the magic of one simulation setup set is supposed to happen: the 'regular' working directories are created here, the 'best parameter simulations' are collected here also generated data from pre- and post-processing are collected here as well. This additional information could be stored in directories on the same level as the working directories.

Thus, on a conceptional level, everything would be more simulation setup set oriented and would give this construct a higher emphasis/value.