[gnome-todo] Bump 3.26.0 release

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 779789928cf22acb56b853e2b970be943799a185
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Sep 11 23:32:36 2017 -0300

    Bump 3.26.0 release

 NEWS                                       |    7 +++++++
 data/appdata/org.gnome.Todo.appdata.xml.in |   12 ++++++++++++
 meson.build                                |    2 +-
 3 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index bad0d26..b80a197 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+==============
+Version 3.26.0
+==============
+
+Project:
+       * Translation updates
+
 ===============
 Version 3.25.90
 ===============
diff --git a/data/appdata/org.gnome.Todo.appdata.xml.in b/data/appdata/org.gnome.Todo.appdata.xml.in
index ab1be40..c4d0891 100644
--- a/data/appdata/org.gnome.Todo.appdata.xml.in
+++ b/data/appdata/org.gnome.Todo.appdata.xml.in
@@ -51,6 +51,18 @@
   </kudos>
 
   <releases>
+    <release date="2017-09-11" version="3.26.0">
+      <description>
+        <p>
+          We're proud to annouce GNOME To Do 3.26, the first release in the 3.26 stable
+          series! This release, thanks to the hard work of a Google Summer of Code student,
+          we have synchronization with Todoist in place.
+        </p>
+        <p>This release also updates translations, and adds new translations.</p>
+        <p>Thanks to everyone that contributed to GNOME To Do this cycle!</p>
+      </description>
+    </release>
+
     <release date="2017-08-10" version="3.25.90">
       <description>
         <p>
diff --git a/meson.build b/meson.build
index 989d636..c2e6c18 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'gnome-todo', 'c',
-  version: '3.25.90',
+  version: '3.26.0',
   license: 'GPL3+',
   default_options: [
     'buildtype=debugoptimized',