ActiveRecord::RecordNotFound exceptions handled more gracefully

git-svn-id: http://redmine.rubyforge.org/svn/trunk@133 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/application.rb

@@ -103,6 +103,12 @@ class ApplicationController < ActionController::Base
       redirect_to_url session[:return_to]
       session[:return_to] = nil
     end
+  end
+  
+  def render_404
+    @html_title = "404"
+    render :template => "common/404", :layout => true, :status => 404
+    return false
   end
 
   # qvalues http header parser