resources: Make manageForeignResources a regular maint script

The maintenance script was previously in a subdirectory which
is a bit unusual. It's now a regular maintenance script,
with the YAML file in a more discoverable place as well.

Change-Id: I38690f23dbe89839bee0e1d43ecfd68adeb19c0f

autoload.php

@@ -851,7 +851,7 @@ $wgAutoloadLocalClasses = [
 	'Maintenance' => __DIR__ . '/maintenance/Maintenance.php',
 	'MakeTestEdits' => __DIR__ . '/maintenance/makeTestEdits.php',
 	'MalformedTitleException' => __DIR__ . '/includes/title/MalformedTitleException.php',
-	'ManageForeignResources' => __DIR__ . '/maintenance/resources/manageForeignResources.php',
+	'ManageForeignResources' => __DIR__ . '/maintenance/manageForeignResources.php',
 	'ManageJobs' => __DIR__ . '/maintenance/manageJobs.php',
 	'ManualLogEntry' => __DIR__ . '/includes/logging/LogEntry.php',
 	'MapCacheLRU' => __DIR__ . '/includes/libs/MapCacheLRU.php',

maintenance/manageForeignResources.php

@@ -19,7 +19,7 @@
  * @ingroup Maintenance
  */
 
-require_once __DIR__ . '/../Maintenance.php';
+require_once __DIR__ . '/Maintenance.php';
 
 /**
  * Manage foreign resources registered with ResourceLoader.
@@ -55,7 +55,7 @@ TEXT
 	public function execute() {
 		global $IP;
 		$frm = new ForeignResourceManager(
-			 __DIR__ . '/foreign-resources.yaml',
+			 "{$IP}/resources/lib/foreign-resources.yaml",
 			 "{$IP}/resources/lib",
 			function ( $text ) {
 				$this->output( $text );