Merge branch 'lukas_issue196_feat_separation-of-scales' into 'develop'

docs/_source/_plots/separation_of_scales.png

mlair/configuration/defaults.py

mlair/data_handler/data_handler_kz_filter.py

mlair/data_handler/data_handler_mixed_sampling.py

mlair/data_handler/data_handler_single_station.py

mlair/plotting/postprocessing_plotting.py

mlair/run_modules/post_processing.py

mlair/run_modules/pre_processing.py

run_mixed_sampling.py

test/test_configuration/test_defaults.py

test/test_data_handler/test_data_handler.py