Merge branch '2.8'

* 2.8:
  Fixed the wrong source name and the ja translation
  [Debug] fix readme: DebugClassLoader moved to debug itself
  [SecurityBundle] disable the init:acl command if ACL is not used
  [DI] remove useless condition around unset
  [Console] Fix bug with  overloading
  [Form] Fixed wrong usages of the "text" type
  [Form] Disabled view data validation if "data_class" is set to null
  [HttpFoundation] Workaround HHVM rewriting HTTP response line

Author: fabpot

Command/ServerStartCommand.php

@@ -74,7 +74,7 @@ protected function configure()
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        $output = new SymfonyStyle($input, $output);
+        $output = new SymfonyStyle($input, $cliOutput = $output);
 
         if (!extension_loaded('pcntl')) {
             $output->error(array(
@@ -85,7 +85,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             if ($output->ask('Do you want to execute <info>server:run</info> immediately? [Yn] ', true)) {
                 $command = $this->getApplication()->find('server:run');
 
-                return $command->run($input, $output);
+                return $command->run($input, $cliOutput);
             }
 
             return 1;