[gnome-todo] Bump version 3.17.3

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

commit b862bd709ca1b508f4bbfb8af1e554eaeda7bb4c
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Jun 21 01:07:35 2015 -0300

    Bump version 3.17.3

 NEWS         |   11 +++++++++++
 configure.ac |    2 +-
 2 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index fe0b40f..899f46c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,15 @@
 ==============
+Version 3.17.3
+==============
+
+Project:
+        * Many improvements on the Evolution-Data-Server backend
+        * Ability to create new tasklists
+        * Much better thumbnails for tasklists
+        * Initial setup dialog
+        * Task fields update is now possible
+
+==============
 Version 3.17.2
 ==============
 
diff --git a/configure.ac b/configure.ac
index 5e571ad..cba8f46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl -*- mode: m4 -*-
 AC_PREREQ([2.69])
-AC_INIT([gnome-todo],[3.17.2],[https://github.com/GeorgesStavracas/gnome-todo/issues],[gnome-todo])
+AC_INIT([gnome-todo],[3.17.3],[https://github.com/GeorgesStavracas/gnome-todo/issues],[gnome-todo])
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([src/main.c])