update php-cs-fixer and rector + fix rules

src/Bundle/ChillMainBundle/Command/SetPasswordCommand.php

@@ -36,7 +36,7 @@ class SetPasswordCommand extends Command
     public function _getUser($username)
     {
         return $this->entityManager
-            ->getRepository(\Chill\MainBundle\Entity\User::class)
+            ->getRepository(User::class)
             ->findOneBy(['username' => $username]);
     }