Merge remote-tracking branch 'origin/feature/9137_large_files'
Merge remote branch 'origin/bugfix/8360_geometry_memory_leaks'
Re #8675. Changing alg name to follow workflow conventions.
Re #8675. Finished the rename of PDLoadCharacterizations.
Re #8675. First working version without the inner classes.
Re #8675. Listening to the characterization parameters in the gui.
Re #8675. Fixed bug found by system tests.
Merge branch 'feature/8675_refactor_snspowderredux' into develop