Switch to side-by-side view

--- a/tool/src/GUI/TreeRenderer.java
+++ b/tool/src/GUI/TreeRenderer.java
@@ -90,10 +90,15 @@
             case home:
                 setIcon(home);
                 break;
-                
-                
         }
         
+        // is this icon selected?
+        if(sel == true){
+            if(node.iconWhenSelected != null){
+                setIcon(node.iconWhenSelected);
+            }
+        
+        }
         
             // write the title of this product
             setText(node.toString());