Generalized the usage of the navigation helper by introducing a 'realm' parameter

Change-Id: Ief04c7884d144a60855a25498faa8cca44a8ecd2
diff --git a/Changes b/Changes
index a95afbf..2b92041 100755
--- a/Changes
+++ b/Changes
@@ -10,6 +10,9 @@
         - Introduced 'page_title' helper.
         - Simplified documentation routing.
         - Added 'realm' parameter to 'embedded_link_to' helper.
+        - Introduced 'navigation' helper with 'realm' parameter.
+        - Deprecated 'doc_navi' helper in favor of 'navigation'
+          helper.
 
 0.36 2019-09-19
         - Rename all cookies to be independent