Update ResourceLoaderULSJsonMessageModule::getDependencies method signature

This change is for compatibility with Iee61e5b527 in MediaWiki.

This patch updates version info due to said requirement.

Change-Id: Ic63e617f51702c27104e123d4bed91983a726b7f

UniversalLanguageSelector.php

@@ -25,7 +25,7 @@ if ( !defined( 'MEDIAWIKI' ) ) {
 /**
  * Version number used in extension credits and in other placed where needed.
  */
-define( 'ULS_VERSION', '2015-04-29' );
+define( 'ULS_VERSION', '2015-06-08' );
 
 $GLOBALS['wgExtensionCredits']['other'][] = array(
 	'path' => __FILE__,

includes/ResourceLoaderULSJsonMessageModule.php

@@ -16,9 +16,10 @@ class ResourceLoaderULSJsonMessageModule extends ResourceLoaderModule {
 	/**
 	 * Part of the ResourceLoader module interface.
 	 * Declares the core ext.uls.i18n module as a dependency.
+	 * @param ResourceLoaderContext $context
 	 * @return string[] Module names.
 	 */
-	function getDependencies() {
+	function getDependencies( ResourceLoaderContext $context = null ) {
 		return array( 'ext.uls.i18n' );
 	}