Update MW specific loading code

Change-Id: Id8e40d8b7eeb16c00ee33fe5ee6059c5de5c9ee3

AskSerialization.mw.php

@@ -1,8 +1,8 @@
 <?php
 
 /**
- * MediaWiki setup for the Ask extension.
- * The extension should be included via the main entry point, Ask.php.
+ * MediaWiki setup for the Ask Serialization extension.
+ * The extension should be included via the main entry point, AskSerialization.php.
  *
  * @since 1.0
  *
@@ -14,12 +14,6 @@
 	die( 'Not an entry point.' );
 }
 
-global $wgExtensionCredits, $wgExtensionMessagesFiles, $wgAutoloadClasses, $wgHooks;
-
-$wgExtensionCredits['other'][] = include( __DIR__ . '/Ask.credits.php' );
-
-$wgExtensionMessagesFiles['AskExtension'] = __DIR__ . '/Ask.i18n.php';
-
 if ( defined( 'MW_PHPUNIT_TEST' ) ) {
 	require_once __DIR__ . '/Tests/testLoader.php';
 }
@@ -36,7 +30,7 @@
  *
  * @return boolean
  */
-$wgHooks['UnitTestsList'][]	= function( array &$files ) {
+$GLOBALS['wgHooks']['UnitTestsList'][]	= function( array &$files ) {
 	$directoryIterator = new RecursiveDirectoryIterator( __DIR__ . '/Tests/' );
 
 	/**