Generalize documentation helpers

Change-Id: Iaba69a433f25d2160857694b0b434c51c02c0367
diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index cc41eed..a47bb2d 100644
--- a/lib/Kalamar.pm
+++ b/lib/Kalamar.pm
@@ -230,7 +230,7 @@
 
   # Set footer value
   $self->content_block(footer => {
-    inline => '<%= doc_link_to "V ' . $Kalamar::VERSION . '", "korap", "kalamar" %>',
+    inline => '<%= embedded_link_to "V ' . $Kalamar::VERSION . '", "korap", "kalamar" %>',
     position => 100
   });