Upgrade build input repo from Eclipse Mars to Neon

Change-Id: I2f003c6b1b88e36665cd5097c3ace2e12b13319a
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/releng/releng-base/pom.xml b/releng/releng-base/pom.xml
index 3d9b6b5..6aba20a 100644
--- a/releng/releng-base/pom.xml
+++ b/releng/releng-base/pom.xml
@@ -30,9 +30,9 @@
 
   <repositories>
     <repository>
-      <id>mars</id>
+      <id>simultaneous-release-repo</id>
       <layout>p2</layout>
-      <url>http://download.eclipse.org/releases/mars/</url>
+      <url>http://download.eclipse.org/releases/neon/</url>
     </repository>
   </repositories>