Actually put some boxes in the system to see things.

git-svn-id: https://groke.mcmaster.ca/svn/grad/colin/branches/TableTool_refactor@8691 57e6efec-57d4-0310-aeb1-a6c144bb1a8b

@Data/Data.m

@@ -32,8 +32,8 @@ classdef Data < handle
             object.top_cond = HierarchicalGrid();
             object.outputs_grid = TableGrid();
         
-            object.left_cond.addlistener('AddedOuterCell', @(src, event) left_grid_added_cell(object, src, event))
-            object.top_cond.addlistener('AddedOuterCell', @(src, event) top_grid_added_cell(object, src, event))
+            object.left_cond.addlistener('AddedOuterCell', @(src, event) left_grid_added_cell(object, src, event));
+            object.top_cond.addlistener('AddedOuterCell', @(src, event) top_grid_added_cell(object, src, event));
         end
         
     end

TTdiag.m

@@ -108,6 +108,7 @@ end
 
 if isempty(data)
     data = Data();
+    data.init();
 else
     if ~data.valid
         errordlg(...