Fix mix changed/unchanged values from target plotter redundant information
requested to merge 3_plotterparameters_fix_mix_changed_unchanged_values_from_target_plotter into master
Summary:
Fix redundant information for plotterparameters
This affects the implementation of the "Plotter Editor" with a clear logic
Relevant isse(s) fixed:
Fixes #3 (closed)
Part of beat.editor#181 (closed)
Edited by Flavio TARSETTI