Disable Jet for Kepler as it's not part of kepler
diff --git a/downloads/discovery/kepler/modeling.xmi b/downloads/discovery/kepler/modeling.xmi
index e0bf59c..1c208c9 100755
--- a/downloads/discovery/kepler/modeling.xmi
+++ b/downloads/discovery/kepler/modeling.xmi
@@ -26,7 +26,8 @@
         provider="Eclipse.org"
         description="JET is an Eclipse-based code generator framework based on JSP."
         license="EPL"
-        image32="images/jet.png">
+        image32="images/jet.png"
+        visible="false">
       <sitesURLS>http://download.eclipse.org/releases/kepler/</sitesURLS>
       <overview
           summary="JET allows you to easily generate textual artifacts in the Eclipse environment&#xA;in a syntax similar to JSP. It supplies tag libraries for navigating XML&#xA;documents, EMF-based documents (including UML2) and for writing template&#xA;results to the Eclipse workspace.&#xA;"