Improve robustness related to update of Summary Plot Manager
Add RimSummaryMultiPlot
Move shared code into RiaSummaryStringTools
Added "Create Summary Multi Plot" to menu of MultiPlot in project tree
Add checkboxes for individual plots for vectors/addresses and creation of multiplots.
Moved code into RicSummaryPlotBuilder.
Allow UiComboBoxEditor to disable autocomplete.
Create plot using Enter key without modifiers.