(#632) Add Eclipse cell to selection and show in 3D view and time history plot

Consolidated remove of model based on name in RimView
Cleanup selection and time history plot when project is closed

ApplicationCode/UserInterface/RiuSelectionManager.h

@@ -47,6 +47,10 @@ public:
     // SelectionManager takes ownership of the selection items
     void setSelectedItems(const std::vector<RiuSelectionItem*>& items);
 
+    // Append item to selected items in SelectionManager
+    // SelectionManager takes ownership of the item
+    void appendItemToSelection(RiuSelectionItem* item);
+
     // Deletes all items in the SelectionManager
     void deleteAllItems();