[vinagre] Update NEWS for 3.17.91 release

[David King <davidk src gnome org>]

commit ecd724b0cd098e3bc97f4aa92889ae7640116220
Author: David King <amigadave amigadave com>
Date:   Tue Sep 1 10:48:11 2015 +0100

    Update NEWS for 3.17.91 release

 NEWS         |   22 ++++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 23 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 8df53ea..7eb50a9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,25 @@
+Vinagre 3.17.91
+===============
+
+Akom Chotiphantawanon (1):
+      Updated Thai translation
+
+Chao-Hsiung Liao (1):
+      Updated Chinese (Taiwan) translation
+
+Cédric Valmary (1):
+      Updated Occitan translation
+
+Marek Kasik (2):
+      Use cached session size for RDP
+      Fix selection rectangle when user leaves window
+
+Pedro Albuquerque (1):
+      Updated Portuguese translation
+
+Piotr Drąg (1):
+      Updated Polish translation
+
 Vinagre 3.17.2
 ==============
 
diff --git a/configure.ac b/configure.ac
index cae2ae6..c8feebd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.64])
-AC_INIT([Vinagre], [3.17.2], [https://bugzilla.gnome.org/enter_bug.cgi?product=vinagre], [vinagre], 
[https://wiki.gnome.org/Apps/Vinagre])
+AC_INIT([Vinagre], [3.17.91], [https://bugzilla.gnome.org/enter_bug.cgi?product=vinagre], [vinagre], 
[https://wiki.gnome.org/Apps/Vinagre])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR([vinagre/vinagre-main.c])
 AC_CONFIG_HEADERS([config.h])