Added test_controller.py.
Added config parameters 'path_l1b_enmap_image' and 'path_l1b_enmap_image_gapfill'.
EnPTConfig is now passed to L1B_Reader and all processors.
Fixed EnPTConfig.absPath().
Replaced Earth_Sun_distances_per_day_edited.csv with Earth_Sun_distances_per_day_edited__1980_2030.csv.