Apply fixes from StyleCI (#88)

Author: driesvints

src/NewCommand.php

@@ -188,8 +188,8 @@ protected function prepareWritableDirectories($appDirectory, OutputInterface $ou
         $filesystem = new Filesystem;
 
         try {
-            $filesystem->chmod($appDirectory.DIRECTORY_SEPARATOR."bootstrap/cache", 0755, 0000, true);
-            $filesystem->chmod($appDirectory.DIRECTORY_SEPARATOR."storage", 0755, 0000, true);
+            $filesystem->chmod($appDirectory.DIRECTORY_SEPARATOR.'bootstrap/cache', 0755, 0000, true);
+            $filesystem->chmod($appDirectory.DIRECTORY_SEPARATOR.'storage', 0755, 0000, true);
         } catch (IOExceptionInterface $e) {
             $output->writeln('<comment>You should verify that the "storage" and "bootstrap/cache" directories are writable.</comment>');
         }