[gnome-characters] Update copyright year

[Daiki Ueno <dueno src gnome org>]

commit ea150cbb8874f2d49414c8c21e18c31ceeb7e47c
Author: Daiki Ueno <dueno src gnome org>
Date:   Mon Feb 16 22:25:04 2015 +0900

    Update copyright year

 src/categoryList.js |    2 +-
 src/character.js    |    2 +-
 src/window.js       |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/categoryList.js b/src/categoryList.js
index d867491..0a3cbd4 100644
--- a/src/categoryList.js
+++ b/src/categoryList.js
@@ -1,6 +1,6 @@
 // -*- Mode: js; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*-
 //
-// Copyright (C) 2014  Daiki Ueno <dueno src gnome org>
+// Copyright (C) 2014-2015  Daiki Ueno <dueno src gnome org>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/character.js b/src/character.js
index f971087..445ca53 100644
--- a/src/character.js
+++ b/src/character.js
@@ -1,6 +1,6 @@
 // -*- Mode: js; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*-
 //
-// Copyright (C) 2014  Daiki Ueno <dueno src gnome org>
+// Copyright (C) 2014-2015  Daiki Ueno <dueno src gnome org>
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/window.js b/src/window.js
index 1418228..9c3d662 100644
--- a/src/window.js
+++ b/src/window.js
@@ -159,7 +159,7 @@ const MainWindow = new Lang.Class({
               translator_credits: _("translator-credits"),
               program_name: _("GNOME Characters"),
               comments: _("Character Map"),
-              copyright: 'Copyright 2014 Daiki Ueno',
+              copyright: 'Copyright 2014-2015 Daiki Ueno',
               license_type: Gtk.License.GPL_2_0,
               logo_icon_name: 'org.gnome.Characters',
               version: pkg.version,