[tomboy] Update NEWS file for 1.7.3

[Aaron Borden <adborden src gnome org>]

commit 6b99ab60459bc78fed72a48e607aa87632a5489e
Author: Aaron Borden <adborden live com>
Date:   Mon Aug 15 13:52:25 2011 -0700

    Update NEWS file for 1.7.3

 NEWS |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 6a0b803..3dbc45c 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,10 @@ Please send questions and suggestions to
 Please report bugs using http://bugzilla.gnome.org/
 (http://bugzilla.gnome.org/enter_bug.cgi?product=Tomboy).
 
+Version 1.7.3
+* Make NUNIT conditional (#647591)
+* Translation Updates: bg, sv, zh
+
 Version 1.7.2
 * New addin for advanced preferences (#401888, Alex Tereschenko)
 * Remove minumum size on Search All Notes window (#582558)