[gnome-calendar] NEWS: updated for release

[Erick Pérez Castellanos <erickpc src gnome org>]

commit a8955715eb174ddb086560212e204e35cc950875
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Tue Jan 20 17:21:22 2015 -0500

    NEWS: updated for release

 NEWS |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index ad1a319..d83e19b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+Major changes in 3.15.4:
+* Implemented new year-view
+* Added initial working search
+* Added appdata support for GNOME Software
+
 Major changes in 3.15.3.1:
 * Fixed bug in month-view with with 6 rows
 * Fixed bug in date-selector