[gnome-logs] Update NEWS for 3.19.91 release

[David King <davidk src gnome org>]

commit c5dd8f38d3a41dd945d69c9f0c89bb13627c34bd
Author: David King <davidk gnome org>
Date:   Mon Feb 29 23:17:01 2016 +0000

    Update NEWS for 3.19.91 release

 NEWS         |    7 +++++++
 configure.ac |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 0cabffc..87150f3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+GNOME Logs 3.19.91
+==================
+
+* use a different export icon from Jonathan Kang
+* improved error handling from Jonathan Kang
+* updates to Galician, Occitan, Czech, Swedish and Serbian translations
+
 GNOME Logs 3.19.90
 ==================
 
diff --git a/configure.ac b/configure.ac
index 6234acf..50c8142 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT([Logs],
-        [3.19.90],
+        [3.19.91],
         [davidk gnome org],
         [gnome-logs],
         [https://wiki.gnome.org/Apps/Logs])