Provide option to select development team used for signing

static QList<QVariantMap> provisioningTeams()
{
    const QSettings xcodeSettings(QDir::homePath() + "/Library/Preferences/com.apple.dt.Xcode.plist", QSettings::NativeFormat);
    const QVariantMap teamMap = xcodeSettings.value("IDEProvisioningTeams").toMap();
    QList<QVariantMap> teams;
    for (auto it = teamMap.cbegin(), end = teamMap.cend(); it != end; ++it) {
        const QString emailAddress = it.key();
        QVariantMap team = it.value().toMap();
        team["emailAddress"] = emailAddress;
        teams.append(team);
    }
    return teams;
}

QMAKE_MAC_XCODE_SETTINGS=team team.name=DEVELOPMENT_TEAM team.value=<team.teamID>