[gnome-calendar] project: update NEWS for 3.17.3

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 2a22e49b515fc9ce5a95fb79b79d8c1a93ff0b42
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Jun 22 21:59:37 2015 -0300

    project: update NEWS for 3.17.3

 NEWS |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 463ef0a..d25b8a2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+Major changes in 3.17.3:
+* Misc bugfixes (751206, 751209, 751211, 751244)
+* Update translations for:
+  * Catalan
+  * Czech
+  * French
+  * Greek
+  * German
+  * Italian
+  * Slovak
+  * Spanish
+  * Tajik
+  * Turkish
+
+
 Major changes in 3.17.2:
 * Added translations
 * Added a calendar management dialog for creating, updating and deleting calendars