Add versioned module documentation
diff --git a/pom.xml b/pom.xml
index afd4a57..b32ecc8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,6 +31,10 @@
   <properties>
     <redbackVersion>${project.version}</redbackVersion>
 
+    <redbackReleaseVersion>2.6</redbackReleaseVersion>
+    <redbackReleaseDate>2017-05-11</redbackReleaseDate>
+    <redbackCurrentDevVersion>3.0.0-SNAPSHOT</redbackCurrentDevVersion>
+
     <scmPubCheckoutDirectory>site-content</scmPubCheckoutDirectory>
     <scmPublishBranch>asf-staging</scmPublishBranch>
 
diff --git a/src/site/site.xml b/src/site/site.xml
index f1aa7e8..9ba1986 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -62,6 +62,13 @@
       </item>
       <item name="Ldap" href="integration/ldap.html"/>
       <item name="Rest" href="integration/rest.html"/>
+
+      <item name="Module Documentation" href="">
+        <item name="Release ${redbackReleaseVersion}" href="core/"/>
+        <item name="Dev ${redbackCurrentDevVersion}" href="core/${redbackCurrentDevVersion}/"/>
+      </item>
+
+
     </menu>
 
     <menu name="Development">