Update refs to install CHESS.

Change-Id: Id4f361b5348ac7685e4677fabfd3ed5730dbe852
diff --git a/publis/CHESS.p2f b/publis/CHESS.p2f
index ca9a601..7c93553 100644
--- a/publis/CHESS.p2f
+++ b/publis/CHESS.p2f
@@ -1,7 +1,12 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <?p2f version='1.0.0'?>
 <p2f version='1.0.0'>
-  <ius size='83'>
+  <ius size='84'>
+	<iu id='org.eclipse.epsilon.core.feature.feature.group' name='Epsilon Core' version='1.4.0.201611012202'>
+      <repositories size='1'>
+        <repository location='http://download.eclipse.org/epsilon/updates/'/>
+      </repositories>
+    </iu>
     <iu id='org.eclipse.acceleo.feature.group' name='Acceleo' version='3.6.6.201610060831'>
       <repositories size='3'>
         <repository location='http://download.eclipse.org/releases/neon/'/>
diff --git a/start.html b/start.html
index 057f962..9955d0b 100644
--- a/start.html
+++ b/start.html
@@ -114,13 +114,13 @@
 							<li>From the main Eclipse window select the Help->Install
 								new software… -> menu item</li>
 							<li>From the &quot;Install&quot; window Add &quot;SDE&quot;
-								(https://es-static.fbk.eu/tools/devel_sde/) in the &quot;Work
+								(http://es-static.fbk.eu/tools/eclipse_sde/) in the &quot;Work
 								with&quot; field, then wait for the list of available sites to
 								appear in the area below, and select them all.</li>
 							<li>Click Next and then Finish to terminate the install
 								procedure.</li>
 							<li>From the &quot;Install&quot; window Add &quot;EST&quot;
-								(https://es-static.fbk.eu/tools/devel_est/) in the &quot;Work
+								(http://es-static.fbk.eu/tools/eclipse_est/) in the &quot;Work
 								with&quot; field.</li>
 							<li>Deselect the checkbox &quot;Group items by
 								category&quot;, wait for the list of available sites to appear