function hxmlppp_install()
{
    // Init Podlove Podlove Publisher unless it's already loaded
    if (false == function_exists('load_podlove_podcast_publisher')) {
        include_once WP_PLUGIN_DIR . '/podlove-podcasting-plugin-for-wordpress/podlove.php';
    }
    // Try to find Hindenburg XML filetype
    $filetype = Podlove\Model\FileType::find_one_by_name('Hindenburg XML');
    // Create new file type
    if (null === $filetype) {
        $filetype = new Podlove\Model\FileType();
        $filetype->name = 'Hindenburg XML';
        $filetype->type = 'chapters';
        $filetype->mime_type = 'application/zip';
        $filetype->extension = 'zip';
        $filetype->save();
    }
}