violinplot: add docstring, and check all data types for the order
sharey axis between all violinplots, and don't plot the renamed ID if it's the same as the original feature ID
Merge branch 'feature/classifier_color_match' into dev

* feature/classifier_color_match:
  sharey axis between all violinplots, and don't plot the renamed ID if it's the same as the original feature ID
  violinplot: add docstring, and check all data types for the order
remove commented out commands in violinplot