- use vector name as plot title if a vector and the associated history vector is present
- use short vector name as fallback for curve name
- use Plot N as fallback name for sub plot
* Move layout options to separate toolbar
* Enable stepping on quantities, remove special history curve stepping for now
* Allow stepping ensembles and cases
* Add step next/prev and add new sub plot
* #8425 Multi Graph : Support grouping on object name
* #8425 Multi Graph : Improve creation of new graphs
* #8425 Multi Graph : Improve default tick mark count
* Handle history and non history as identical headers
* #8425 Multi Graph : Increase space below a graph