docs: update README and add RELEASE NOTES

Change-Id: Ifb79bda4d8cddc8002e244a090723c284c49a2c9
Refs: #1439
diff --git a/docs/named_data_theme/named_data_header.html b/docs/named_data_theme/named_data_header.html
index d9cb50b..97b2932 100644
--- a/docs/named_data_theme/named_data_header.html
+++ b/docs/named_data_theme/named_data_header.html
@@ -32,7 +32,7 @@
 
          <!--top menu-->
          <div class="nine columns" id="menu_container" >
-           <h1><a href="#">$projectname documentation</a></h1>
+           <h1><a href="http://named-data.net/doc/NFD/$projectnumber/">$projectname $projectnumber documentation</a></h1>
          </div>
     </div>
 </div><!--header container end-->