Merge branch '2.8' into 3.0

Author: Tobion

Client.php

@@ -185,7 +185,7 @@ protected function getScript($request)
         $code = <<<EOF
 <?php
 
-error_reporting($errorReporting & ~E_USER_DEPRECATED);
+error_reporting($errorReporting);
 
 if ('$autoloader') {
     require_once '$autoloader';

Command/ContainerDebugCommand.php

@@ -118,7 +118,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $helper = new DescriptorHelper();
         $options['format'] = $input->getOption('format');
         $options['raw_text'] = $input->getOption('raw');
-        $options['output'] = $output;
+        $options['output'] = $io;
         $helper->describe($output, $object, $options);
 
         if (!$input->getArgument('name') && $input->isInteractive()) {