Laravel 5 uses vlucas/phpdotenv for env configuration.
http://laravel.com/docs/5.0/configuration#environment-configuration
Previous version used env.php files. the new configuration files do not have
.php extension

Laravel4 is the current standard.

This resolves the name with the custom Laravel.gitignore file in the
gitignore.io project. If support for Laravel3 is desired, it should be done in
a new file: "Laravel3.gitignore

Closes #1196