function gluu_load()
{
    load_plugin_textdomain('go-live-update-urls', false, 'go-live-update-urls/languages');
    GoLiveUpdateUrls::init();
    //backward compatibility
    global $GoLiveUpdateUrls;
    $GoLiveUpdateUrls = GoLiveUpdateUrls::get_instance();
}
<?php

/**
 * Main Admin screen view
 *
 * @author Mat Lipe
 *
 * @uses   may be overridden in your theme by putting a copy of this file inside a go-live-update-urls folder
 */
$gluu = GoLiveUpdateUrls::get_instance();
?>
<div id="gluu" class="wrap">
	<h2>Go Live Update Urls</h2>

	<p class="description">
		<?php 
printf(_x('This will replace all occurrences %sin the entire database%s of the Old URL with the New URL.', '{<strong>}', '{/strong}', 'go-live-update-urls'), '<strong>', '</strong>');
?>
	</p>

	<strong>
		<em style="color:red">
			<?php 
_e("Like any other database updating tool, you should always perform a backup before running.", 'go-live-update-urls');
?>
		</em>
	</strong>
	<hr />

	<form method="post" id="gluu-checkbox-form">
		<?php 
 /**
  * Get (and instantiate, if necessary) the instance of the
  * class
  *
  * @static
  * @return self
  */
 public static function get_instance()
 {
     if (!is_a(self::$instance, __CLASS__)) {
         self::$instance = new self();
     }
     return self::$instance;
 }