Changes:
- Fixies a scaling bug where parameters were inaccessible on smaller displays
- Fixes an update bug when forces or applied displacements were changed using the up/down arrows in DoubleSpinBoxes
- Adds axis labels and units to the result plots
- Removes the "hints" section to better work on smaller displays
- adds a Quick Tips section and pop-up to the Help menu. This replaces and expands the removed hints section
- minor updates to the UI
- some minor performance updates internally.