Use existing constant as version in the extension credits

Add newline at the end of the i18n file, otherwise Translatewiki.net export script would break.

Change-Id: I5e4165f8848c70569f6d4b47a227aac879055ab2

UniversalLanguageSelector.php

@@ -30,7 +30,7 @@ define( 'ULS_VERSION', '2012-07-20' );
 $wgExtensionCredits['other'][] = array(
 	'path' => __FILE__,
 	'name' => 'UniversalLanguageSelector',
-	'version' => '0.1',
+	'version' => ULS_VERSION,
 	'author' => array(
 		'Alolita Sharma',
 		'Amir Aharoni',