add icons for Character groups

www/analytics/plugins/LanguagesManager/Commands/LanguageCodes.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Plugins\LanguagesManager\Commands;
+
+use Piwik\Plugin\ConsoleCommand;
+use Piwik\Plugins\LanguagesManager\API;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ */
+class LanguageCodes extends ConsoleCommand
+{
+    protected function configure()
+    {
+        $this->setName('translations:languagecodes')
+             ->setDescription('Shows available language codes');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $languages = API::getInstance()->getAvailableLanguageNames();
+
+        $languageCodes = array();
+        foreach ($languages AS $languageInfo) {
+            $languageCodes[] = $languageInfo['code'];
+        }
+
+        sort($languageCodes);
+
+        $output->writeln("Currently available languages:");
+        $output->writeln(implode("\n", $languageCodes));
+    }
+}