MaharaAuthPlugin: added extension credits

MaharaAuthPlugin.php

@@ -29,6 +29,13 @@
  * you can transparently create internal wiki accounts the first time
  * someone logs in who can be authenticated externally.
  */
+$wgExtensionCredits['other'][] = array(
+    'name' => 'Mahara Authentication Plugin',
+    'author' => 'Brett Wilkins',
+    'url' => 'http://gitorious.org/mahara-contrib/mediawiki-auth-mahara',
+    'description' => 'Authenticates against users in the Mahara database'
+    );
+
 class MaharaAuthPlugin extends AuthPlugin {
 	/**
 	 * Check whether there exists a user account with the given name.