Switch to side-by-side view

--- a/tool/src/definitions/Messages.java
+++ b/tool/src/definitions/Messages.java
@@ -51,5 +51,6 @@
             SearchBoxPressedESCAPE = "Pressed ESCAPE on search box",
             
             NodeSelected = "Node Selected: %1",
+            RefreshSPDX = "Refreshed the list of SPDX documents",
             CallFrontScreen = "Call Front Screen";
 }