Add repo url to AQL recent milestone

org.eclipse.emf.ecoretools.build/EcoreTools.setup

diff --git a/org.eclipse.emf.ecoretools.build/EcoreTools.setup b/org.eclipse.emf.ecoretools.build/EcoreTools.setup
index d8e1e11..46e19ef 100644
--- a/org.eclipse.emf.ecoretools.build/EcoreTools.setup
+++ b/org.eclipse.emf.ecoretools.build/EcoreTools.setup
@@ -107,6 +107,8 @@
         url="http://download.eclipse.org/mylyn/releases/3.13"/>
     <repository
         url="http://download.eclipse.org/sirius/updates/releases/3.1.0/mars"/>
+    <repository
+        url="http://download.eclipse.org/acceleo/updates/milestones/3.6/S201601191321"/>
     <description>Install the tools needed in the IDE to work with the source code for ${scope.project.label}</description>
   </setupTask>
   <setupTask