Removed support for metadata.php files in favor of metadata.json files

qa-include/app/admin.php

@@ -120,14 +120,12 @@
 		$options = array('' => 'English (US)');
 
 		// find all language folders
-		foreach (glob(QA_LANG_DIR.'*', GLOB_NOSORT) as $directory) {
+		$metadataUtil = new Q2A_Util_Metadata();
+		foreach (glob(QA_LANG_DIR.'*', GLOB_NOSORT | GLOB_MARK) as $directory) {
 			$code = basename($directory);
-			$metadatafile = QA_LANG_DIR . $code . '/metadata.php';
-			if (is_file($metadatafile)) {
-				$metadata = include $metadatafile;
+			$metadata = $metadataUtil->fetchFromAddonPath($directory);
 			if (isset($metadata['display_name']))
 				$options[$code] = $metadata['display_name'];
-			}
 			// otherwise use an entry from above
 			else if (isset($codetolanguage[$code]))
 				$options[$code] = $codetolanguage[$code];

qa-lang/en-GB/metadata.json

+{
+	"display_name": "English (UK)"
+}

qa-lang/en-GB/metadata.php

-<?php
-/*
-	Question2Answer by Gideon Greenspan and contributors
-	http://www.question2answer.org/
-
-	File: qa-lang/en-GB/qa-lang-metadata.php
-	Description: Contains metadata about the translations
-
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	More about this license: http://www.question2answer.org/license.php
-*/
-
-return array(
-	'display_name' => 'English (UK)',
-);