v0.15.1 release.

`bitcoin-qt` opens the wrong conf file when a conf file is specified with `-conf={file}`

Key:

    >bitcoin-qt -conf=altconf.conf

Go to: Settings --> Options --> Open Configuration File --> OK

Editor opens with `default.conf` instead. Should open specified conf, also using `-datadir={folder path}` parameter which I have not checked.
{
    return !(checkPoint(QPoint(0, 0), w)
        && checkPoint(QPoint(w->width() - 1, 0), w)
        && checkPoint(QPoint(0, w->height() - 1), w)
        && checkPoint(QPoint(w->width() - 1, w->height() - 1), w)
        && checkPoint(QPoint(w->width() / 2, w->height() / 2), w));
}
void openDebugLogfile()
{
    fs::path pathDebug = GetDataDir() / "debug.log";
    
    if (fs::exists(pathDebug))
        QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathDebug)));
}
bool openBitcoinConf()
{
    boost::filesystem::path pathConfig = GetConfigFile(BITCOIN_CONF_FILENAME);
    
    boost::filesystem::ofstream configFile(pathConfig, std::ios_base::app);
    
    if (!configFile.good())
        return false;
    
    configFile.close();
    
    
    return QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathConfig)));
}
void SubstituteFonts(const QString& language)