FIX: removed duplicity in nested_regions_report_data

See merge request bes0030/readex-radar!1

ENH: Data for GUI applications as optional input argument, otherwise by run_path, fixed axes switching in heatmap_2.py

ENH: data_plot_2.py now gives possibility of choosing whether to plot overall summary or graph for selected region

FIX + ENH: Fixed evaluation of multiple calls of main region in one program start. Added check for missing iterations of some nested regions.

ENH: Highliting selected regions in tree, added legend to tree, average start per region tables added, changed tables design

ENH: Deleted plot button, data plotting automatically, run-time change in regions table always displaying

ENH: heatmap_2.py now completely able to switch axes and choose quantity, keeping onclick events working

ADD: heatmap_2.py, new script for more interactive heatmap (clicked action in gui, plot button), TODO: Choosing quantity switching axes

ENH: Few fixes and corrections (reseting multiplier while clearing canvas, changing label of plot button after drawing a plot, etc.)