Violin plot changed
- added reexport of magrittr pipes;
violinplot.R:
- rearranged the violinplot validation function;
- added the argumets for the axis-titles;
visualization_function.R:
- redone the plotly_violinplot function;
- the plotly_violinplot function get a dataframe;
changed the violinplot.Rmd:
- added download pssibilitly;
- added reactive method