Improve graph appearance.

[inkenbrandt]

Remove all of the graph options at the bottom of the right hand side for the GUI. Suggest using Plotly imbedded in a web-browser frame.

• https://stackoverflow.com/questions/38426263/plotly-chart-at-tkinter-python

• https://stackoverflow.com/questions/46571448/tkinter-and-a-html-file/53394551#53394551

-https://github.com/cztomczak/cefpython

Biggest hurdle is connecting selected column to the graphed value.

[inkenbrandt]

https://pandastable.readthedocs.io/en/latest/examples.html