Clean-up MAINTAINERS file

From: Germano Percossi <germano.percossi@citrix.com>

Signed-off-by: Germano Percossi <germano.percossi@citrix.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 6e21348..a1ff9cf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1,4 +1,13 @@
 Maintainers list
 ----------------
 
-* Thanos Makatos <thanos.makatos@citrix.com>
+The project is maintained by many people but as a reference
+person contact
+
+* Germano Percossi <germano.percossi@citrix.com>
+
+while for technical discussions of general interest
+use the public mailing lists
+
+* xs-devel@lists.xenserver.org
+* xen-api@lists.xen.org 
