fix lng() usage in RunApiCommand-class; fix title-tag content if newerversion=0 in update-check

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/Froxlor/Api/Commands/Froxlor.php

@@ -93,17 +93,17 @@ class Froxlor extends ApiCommand
 				return $this->response([
 					'isnewerversion' => 0,
 					'version' => $this->version,
-					'message' => $errmsg,
+					'message' => '',
 					'link' => '',
-					'additional_info' => ''
+					'additional_info' => $errmsg
 				]);
 			} else {
 				return $this->response([
 					'isnewerversion' => 0,
 					'version' => $this->version,
-					'message' => lng('update.noupdatesavail'),
+					'message' => '',
 					'link' => '',
-					'additional_info' => ''
+					'additional_info' => lng('update.noupdatesavail')
 				]);
 			}
 		}

lib/Froxlor/Cli/RunApiCommand.php

@@ -33,6 +33,7 @@ use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Froxlor\Database\Database;
+use Froxlor\Froxlor;
 
 final class RunApiCommand extends CliCommand
 {
@@ -53,6 +54,8 @@ final class RunApiCommand extends CliCommand
 
 		$result = $this->validateRequirements($input, $output);
 
+		require Froxlor::getInstallDir() . '/lib/functions.php';
+
 		if ($result == self::SUCCESS) {
 			try {
 				$loginname = $input->getArgument('user');