Display master backlog even when there are no stories yet

app/controllers/backlogs_controller.rb

@@ -22,10 +22,6 @@ class BacklogsController < ApplicationController
                           :conditions => ["project_id=? AND tracker_id in (?)", @project, Story.trackers],
                           :order => "updated_on DESC")
 
-    if @last_updated.nil?
-        raise "This project doesn't have a story. You should configure the story tracker and add an issue to that tracker for this project."
-    end
-
     if @settings[:story_trackers].nil? || @settings[:task_tracker].nil?
       render :action => "noconfig", :layout => "backlogs"
     else

app/helpers/stories_helper.rb

@@ -54,7 +54,7 @@ module StoriesHelper
   end
   
   def updated_on_with_milliseconds(story)
-    date_string_with_milliseconds(story.updated_on, 0.001);
+    date_string_with_milliseconds(story.updated_on, 0.001) unless story.nil?
   end
 
   def date_string_with_milliseconds(d, add=0)