Merge pull request #160 from geichelberger/fix-symfony-process

fix symfony/process signaling issue

Author: stronk7

src/Command/BehatCommand.php

@@ -146,7 +146,7 @@ private function startServerProcesses(InputInterface $input)
         }
 
         // Start web server.
-        $web = new Process('php -S localhost:8000', $this->moodle->directory);
+        $web = new Process(['php', '-S', 'localhost:8000'], $this->moodle->directory);
         $web->setTimeout(0);
         $web->disableOutput();
         $web->start();