[#2847] Implemented and tested the hooks need to display overhead_spent.

lib/overhead_budget_hook.rb

@@ -1,11 +1,20 @@
 class OverheadBudgetHook < Redmine::Hook::ViewListener
-
+  include DeliverablesHelper
+  
   def plugin_budget_view_deliverable_list_header(context={})
-    return content_tag(:th, '')
+    return content_tag(:th, l(:overhead_budget_spent))
   end
   
   def plugin_budget_view_deliverable_summary_row(context={})
-    return content_tag(:td, '')
+    if context[:deliverable]
+      # Used by allowed_management?
+      @project = context[:deliverable].project
+      if allowed_management?
+        return content_tag(:td, number_to_currency(context[:deliverable].overhead_spent, :precision => 0))
+      end
+    else
+      return content_tag(:td, '')
+    end
   end
 
   def plugin_budget_view_deliverable_details_row(context={})