Add pear/Text_LanguageDetect to Composer/vendor

- Updated mobiledetectlib to 2.8.26
- Updated PEAR to 1.10.5
- Updated Archive_Tar to 1.4.3
- Updated XML_Util to 1.4.3

vendor/pear/text_languagedetect/docs/languages.php

@@ -0,0 +1,11 @@
+<?php
+/**
+ * List all supported languages
+ */
+require_once 'Text/LanguageDetect.php';
+$ld = new Text_LanguageDetect();
+
+foreach ($ld->getLanguages() as $lang) {
+    echo $lang . "\n";
+}
+?>