Change language meta key to 'name' for consistency

qa-include/app/admin.php

@@ -124,8 +124,8 @@
 		foreach (glob(QA_LANG_DIR . '*', GLOB_ONLYDIR) as $directory) {
 			$code = basename($directory);
 			$metadata = $metadataUtil->fetchFromAddonPath($directory);
-			if (isset($metadata['display_name']))
-				$options[$code] = $metadata['display_name'];
+			if (isset($metadata['name']))
+				$options[$code] = $metadata['name'];
 			// otherwise use an entry from above
 			elseif (isset($codetolanguage[$code]))
 				$options[$code] = $codetolanguage[$code];

qa-lang/en-GB/metadata.json

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