Adopt PSR-2 coding style

The Laravel framework adopts the PSR-2 coding style in version 5.1.
Laravel apps *should* adopt this coding style as well. Read the
[PSR-2 coding style guide][1] for more details and check out [PHPCS][2]
to use as a code formatting tool.

[1]: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md
[2]: https://github.com/squizlabs/PHP_CodeSniffer

app/Http/Controllers/SetupController.php

@@ -298,7 +298,9 @@ class SetupController extends Controller
             $envValue = env($envKey) ?: 'null';
 
             file_put_contents($path, str_replace(
-                $envKey.'='.$envValue, $envKey.'='.$value, file_get_contents($path)
+                $envKey.'='.$envValue,
+                $envKey.'='.$value,
+                file_get_contents($path)
             ));
         } catch (InvalidPathException $e) {
             //