Add a favicon link with support for suburi. #3301

Contributed by Yuki Kita and Christian Boenning

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3894 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -783,6 +783,10 @@ module ApplicationHelper
     end
   end
 
+  def favicon
+    "<link rel='shortcut icon' href='#{Redmine::Utils.relative_url_root}/favicon.ico' />"
+  end
+
   private
 
   def wiki_helper