Update copyright year to 2016

src/lib/app/qzcommon.cpp

@@ -1,6 +1,6 @@
 /* ============================================================
 * QupZilla - WebKit based browser
-* Copyright (C) 2014  David Rosca <nowrep@gmail.com>
+* Copyright (C) 2014-2016  David Rosca <nowrep@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -26,7 +26,7 @@ const int bookmarksVersion = 1;
 QUPZILLA_EXPORT const char* APPNAME = "QupZilla";
 QUPZILLA_EXPORT const char* VERSION = QUPZILLA_VERSION;
 QUPZILLA_EXPORT const char* AUTHOR = "David Rosca";
-QUPZILLA_EXPORT const char* COPYRIGHT = "2010-2015";
+QUPZILLA_EXPORT const char* COPYRIGHT = "2010-2016";
 QUPZILLA_EXPORT const char* WWWADDRESS = "https://www.qupzilla.com";
 QUPZILLA_EXPORT const char* WIKIADDRESS = "https://github.com/QupZilla/qupzilla/wiki";
 }