Switched build to Eclipse 3.8 to check signing issue
diff --git a/releng/org.eclipse.graphiti.releng/build.rmap b/releng/org.eclipse.graphiti.releng/build.rmap
index f0fee7c..f5f09bf 100644
--- a/releng/org.eclipse.graphiti.releng/build.rmap
+++ b/releng/org.eclipse.graphiti.releng/build.rmap
@@ -65,7 +65,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" readerType="p2" source="false" mutable="false">

       <rm:property key="buckminster.source" value="false"/>

       <rm:property key="buckminster.mutable" value="false"/>

-      <rm:uri format="{0}/eclipse/updates/4.2milestones">

+      <rm:uri format="{0}/eclipse/updates/3.8milestones">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>