* Deprecate single summary plots and plot collections. Replace functionality using summary multi plots. Clean up some code. Fix crash when trying to normalize an empty curve
* #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