[gnome-flashback] update NEWS for release

[Alberts Muktupāvels <muktupavels src gnome org>]

commit eda6d40017b2b69bfdf64b01586bea3dcbd54a3f
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Sep 18 15:37:02 2014 +0300

    update NEWS for release

 NEWS |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/NEWS b/NEWS
index e8b438d..7cea181 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Version 3.1x.0
+Version 3.10.0
 ==============
 - Initial version.
 - GNOME Flashback session. Includes sessions with Metacity and Compiz as
@@ -13,5 +13,10 @@ Version 3.1x.0
 - Idle monitor. Application will monitor user activity. This will fix invisible
   cursor bug.
 - Updated translations:
-  Andika Triwidada (id), Daniel Mustieles (es), Enrico Nicoletto (pt_BR),
-  Marek Černocký (cs), Piotr Drąg (pl), Rafael Ferreira (pt_BR).
+  Andika Triwidada (id), Daniel Mustieles (es), Dmitry Shachnev (ru),
+  Enrico Nicoletto (pt_BR), Marek Černocký (cs), Matej Urbančič (sl),
+  Piotr Drąg (pl), Rafael Ferreira (pt_BR).
+
+NOTE: This is first release and is intended to improve GNOME Flashback session.
+Don't expect that this module will solve all problems! There is still a lot of
+work to do to make this session in good state.