[gnome-session] NEWS: update for release

[Ray Strode <halfline src gnome org>]

commit f7951ac4ffd4671ad552fb5714f5c9e178ca3670
Author: Ray Strode <rstrode redhat com>
Date:   Thu Jan 29 10:53:02 2015 -0500

    NEWS: update for release

 NEWS |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index f9a586e..e49bd57 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,13 @@
 ==============
+Version 3.15.4
+==============
+
+       * Allow turning on debugging with an environment variable
+       * Don't set DISPLAY in wayland sessions
+       * Add back session-name property
+       * Translation updates
+
+==============
 Version 3.15.3
 ==============