Release adjustments

* Use appendMenuItems instead of ContextCommandBuilder
* Specify RimEclipseCaseCollection menu features once
* Add function to enable up/down arrows for combo box
* Guard crash when closing project
* Improve UI for grid case ensemble
- Create a view for the first case in the ensemble
- Show case name in view title
- Enable up/down buttons to Eclipse case
* Make sure 3D views in grid ensemble are created on project load

ApplicationLibCode/ProjectDataModel/Summary/RimSummaryPlotSourceStepping.cpp

@@ -40,6 +40,7 @@
 #include "RimSummaryPlotControls.h"
 
 #include "RiuPlotMainWindow.h"
+#include "RiuTools.h"
 
 #include "cafPdmUiComboBoxEditor.h"
 #include "cafPdmUiItem.h"
@@ -955,15 +956,12 @@ void RimSummaryPlotSourceStepping::defineEditorAttribute( const caf::PdmFieldHan
         }
         else
         {
+            RiuTools::enableUpDownArrowsForComboBox( attribute );
+
             QString nextText       = RimSummaryPlotControls::nextStepKeyText();
             QString prevText       = RimSummaryPlotControls::prevStepKeyText();
             myAttr->nextButtonText = "Next (" + nextText + ")";
             myAttr->prevButtonText = "Previous (" + prevText + ")";
-
-            myAttr->nextIcon     = QIcon( ":/ComboBoxDown.svg" );
-            myAttr->previousIcon = QIcon( ":/ComboBoxUp.svg" );
-
-            myAttr->showPreviousAndNextButtons = true;
         }
     }