Refactor inflection to the Deliverable model.

app/models/deliverable.rb

@@ -16,6 +16,10 @@ class Deliverable < ActiveRecord::Base
     ''
   end
 
+  def to_underscore
+    self.class.to_s.underscore
+  end
+
   def total=(v)
     if v.is_a? String
       write_attribute(:total, v.gsub(/[$ ,]/, ''))

app/views/deliverables/_form.html.erb

@@ -28,4 +28,4 @@
   <%= link_to(l(:button_cancel), cancel_path) %>
 <% end %>
 
-<%= wikitoolbar_for resource.class.to_s.underscore + '_notes' %>
+<%= wikitoolbar_for resource.to_underscore + '_notes' %>