[krb5-auth-dialog] Bump version to 2.91.6 to follow the GNOME versioning

[Guido Günther <guidog src gnome org>]

commit 6ab2def9525e9a8c6d7520bd7ffbaea0b9d5545c
Author: Guido Günther <agx sigxcpu org>
Date:   Mon Feb 14 08:35:35 2011 +0100

    Bump version to 2.91.6 to follow the GNOME versioning
    
    and update NEWS file

 NEWS         |   23 +++++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 2ccf5f9..b14f26c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,26 @@
+===============
+Version 2.91.6
+===============
+* Add "Get ticket" button to notifications
+* Disable tray icon if the notification server supports persistent notifications
+* Move preferences to a gnome-control-center panel
+* Display account expiry prompts returned by the KDC
+* Drop gtksecentry and use GtkEntryBuffer with secmem instead
+* Use NMClient GObject instead of deprecated functions
+* Install desktop file to /u/s/applications so GNOME shell can find the icons
+* UI translations:
+	Andrej ŽnidarÅ¡iÄ? (sl)
+	Bruno Brouard (fr)
+	Daniel Mustieles (es)
+	Djavan Fagundes (pt_BR)
+	Jorge González (es)
+	Mario Blättermann (de)
+	Matej UrbanÄ?iÄ? (sl)
+	Maxim V. Dziumanenko (uk)
+* Doc translations:
+	Mario Blättermann (de)
+	Matej UrbanÄ?iÄ? (sl)
+
 ============
 Version 0.17
 ============
diff --git a/configure.ac b/configure.ac
index af77fd5..b61a720 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([krb5-auth-dialog], [0.17])
+AC_INIT([krb5-auth-dialog], [2.91.6])
 AC_CONFIG_SRCDIR(src/ka-dialog.c)
 dnl Make automake keep quiet about wildcards & other GNUmake-isms
 AM_INIT_AUTOMAKE([-Wno-portability])