[releng] add gnome releases

[Olav Vitters <ovitters src gnome org>]

commit 7d24c0d9aa953c8fd20ac25e42a2691d26c236be
Author: Olav Vitters <olav vitters nl>
Date:   Tue Sep 24 11:08:27 2013 +0200

    add gnome releases

 tools/contributions/releases |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/tools/contributions/releases b/tools/contributions/releases
index 539ba1f..be7efdf 100644
--- a/tools/contributions/releases
+++ b/tools/contributions/releases
@@ -18,3 +18,6 @@
 3.0.0  2011-04-06
 3.2.0  2011-09-28
 3.4.0  2012-04-18
+3.6.0  2012-09-26
+3.8.0  2013-03-27
+3.10.0 2013-09-24